RÍO USUMACINTA: Grand Canyon of the Maya

142 km (88 miles), class III, 6-7 days

launches: Dec27 Jan4 Jan23 Mar11 Mar18 Mar25 (2017-2018) RESERVE
OTHER TRIPS

Río Usumacinta is a beautiful huge jungle river flowing through the heart of the classical Mayan world in a deep impressive "Gran Cañón" but is now threatened with dams. Experience the river yourself on a rafting/kayaking expedition as we tour Yáxchilan and Piedras Negras, camp on giant pristine beaches, listen to howler monkeys, and navigate the big-water rapids of the Gran Cañon de San José. This is a very family friendly as well as an ideal first trip - no experience required.

TRIP INFORMATION
ITINERARY
PRICE & WHAT YOU GET
RESERVATIONS/PAYMENTS
YOUR GUIDES
RENDEZVOUS POINTS
IS IT SAFE?
WEATHER & WATER LEVELS
FOOD, ALCOHOL, WATER
CHORES, TOILET, BATHING
WHAT TO PACK
PLANNED DAMS
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Slides: Trip2011a
Slides: Trip2011b
Slides: Trip2009(solo)
Rocky's ARTICLE
Canoe and Kayak ARTICLE
American Whitewater ARTICLE


GENERAL TRIP INFORMATION:

The Usumacinta river trip is one of the classics in the world and not to be missed. Relax in the hot winter sunshine on giant beaches, swim in warm clean water, traipse through the tropical jungle to spot toucans and jaguar tracks, shreik from the horrifying gaspy calls of howler monkeys, visit two major Mayan arqueological sites, and demonstrate your whitewater skills by surfing waves, running the small falls on Río Chocoljá, and successfully negotiating the giant whirlpools in the Gran Cañon de San José.  Everyone is welcome: kayakers, IKers, oarsmen, and raft passengers. We plan to have several rafts to support our group, so even beginners can take a shot at paddling a kayak. We'll have at least two local Chol-speaking guides along with us for positive interactions and safety. The pace is relaxed, with one layover day planned. Bring your own boat or use one of ours (planned availability). It may be possible to join a Lacanjá trip beforehand for a 18-day jungle adventure!

Show your appreciation of a free-flowing Río Usumacinta and oppose the five dams recently proposed to be built starting as early as 2014. Please sign this petition against the dams and spread the word to garner more opposition!

Even if you don't join a raft trip, help support our campaign to Save Río Usumacinta and train local river guides with a donation. Your donation could be applied toward a future river trip if you so wish!

DONATE TODAY!


MORE INFO ON THE USUMACINTA AND HISTORY:

Río Usumacinta is the most voluminous river in all of Mexico and Central America and forms part of the border between Chiapas and Guatemala. The river averages ~3000 cms (~100,000 cfs) in the rainy season and 800-1500 cms (30,000-50,000 cfs) in the drier winter months. Although it is generally flat moving water, there are a number of class II and III rapids, at least four of which rate III or III+. Due to the reliable big water, canyons, Mayan ruins, rapids, and other interesting aspects along the river, it became one of the ultimate rafting journeys in the world, and a prime winter destination of many Grand Canyon guides starting in the 1970s. The rafting industry calmed down during the Guatemalan civil war when militants took refuge in the jungles near the banks of the river and sometimes robbed rafting groups. Now well after the war, the dangers have subsided. Guatemalan soldiers and caretakers stationed by Piedras Negras keep the region safe. SierraRios has run eight raft/kayak expeditions down the river between 2010-2014 safely - see summary slideshows of some of these trips at: Usumacinta2011a and Usumacinta2011b. See an article Rocky wrote about one of the recent descents published in American Whitewater. Read some comments from participants. [For an excellent book discussing all aspects of this river including the assaults, rapids, the Maya, trade routes, ruins, plans for damming, and wildlife, see Christopher Shaw's Sacred Monkey River.]

OTHER ATTRACTIONS: Chiapas is full of natural wonders and Mayan ruins. See this slideshow for a taste of a few main attractions. While you are down here, you definitely will want to visit the ruins of Palenque and possibly also check out some other paddling runs. Greg Schwendinger's MayanWhitewater.com website has descriptions of many runs, including class III Río Chocoljá and class III Río Shumuljá. There may be a few days of class III-V kayaking before or after the trip.

TENTATIVE ITINERARY (Dec-May):
The itinerary below is a general plan for a 6-day trip and a very relaxed pace. This will be the standard itinerary for most trips launching during lower water Dec-May. Some trips may have participants arrive to Frontera the day before launch to have some extra time on the river. High water season trips (Jun-Nov launches) may be only 5 days. For a private group, the itinerary may be modified to anywhere between 4 and 8 days and can include pickups at Villahermosa, Cancún, and visits to Bonampak (before trip), Tikal (after trip), Agua Azul, or other sites.

DAY 0: fly into Villahermosa; transport to Palenque (2 hr); night in Hotel Lacandonia or other
DAY 1: service begins; early drive to Frontera from Palenque (3 hr); rig; paddle to beach camp 7-20km
DAY 2: explore Yaxchilán; possibly arrive to shipwreck; class I-II; ~25 km
DAY 3: Chicozapote (III-); Big Springs; Rapidos Caribe; arrive to Piedras Negras class II+; ~40 km
DAY 4: LAYOVER; explore Piedras Negras, play in the water, RELAX

DAY 5: Cola del Diablo; Cascada Busiljá; Río Chocoljá; enter Gran Cañon; La Linea; Whirlpool; class III; 38 km
DAY 6: finish Gran Cañon; San José; San Josecito; class III; de-rig (2-3 hr); dinner in Palenque; 26 km
[possible to depart]
DAY 7 (extra): visit Palenque ruins or Cascadas Agua Azul; dinner at El Panchán; Don Mucho live music

DAY 0: If flying, you should arrive to Villahermosa or Tuxtla this day or earlier. You can take a taxi/bus (2 hr) to your hotel in Palenque and meet the trip leader. There are ATMs available to get pesos. [Some trips may have the group arrive to Frontera today for an earlier launch on Day1. If so, participants will camp or spend the night in cabins at Escudo Jaguar.]

DAY 1: This is the launch day. Most groups will eat an early breakfast at rendezvous of Hotel Lacandonia at 7 am where we'll load into the van for the 3-hr drive to Frontera Corozal (our put-in on the Mexican side of the Usumacinta). At the put-in, we'll finish rigging the rafts, have a safety talk, and launch, getting downstream 6-20 km. Note that you can leave valuables either at the SierraRios depot in Palenque or in the vehicles, which should be safe with our shuttle drivers in Frontera until the day we take-out. Spaghetti. ~20 km

DAY 2: We will paddle to and spend several hours at Yaxchilán ruins. In the afternoon we either camp at Yaxchilán or arrive at a beach camp 6-25 km downstream. We'll have a traditional Mayan/Mexican feast of tamales this evening. ~20 km

DAY 3: We paddle through the first big rapids of the trip (Chicozapote; class II-III), pass Big Springs where we'll refill water, and make it down to at/near the giant El Playón beach, where we may lunch and do a hike to a laguneta. We'll continue down, pass the village of Arroyo Jerusalén, negotiate more class II rapids in a scenic gorge, and set up camp at the beach by Piedras Negras. Steak/salmon. ~40 km

DAY 4: LAYOVER. We'll check in with the military and caretakers at Piedras Negras and spend the day hiking around the ruins, the dry cenote, and jungle, then playing in the water, practicing rolls and other paddling techniques, or simply relaxing in camp. Lasagna! 0 km

DAY 5: We'll pass El Porvenir then enter a class II gorge with Cola del Diablo rapid, and arrive at and explore the beautiful travertine waterfalls of Busiljá that cascade directly into the Usumacinta. After exploring the side stream, we'll have lunch and then continue downstream. One possible excursion is to explore the final five drops on Río Chocoljá (if there are interested kayakers on the trip; we would walk upstream to paddle them). We then enter the main Gran Cañon de San José and paddle through several big rapids: La Linea, Baluarte and Whirlpool. We'll set up camp in the Gran Cañon de San José before the next big rapids. [We may skip the Chocoljá excursion paddle depending on the group and timing.] Fajitas. ~35 km

DAY 6: We'll paddle through the final part of the Gran Cañon San José with two of the biggest rapids the river has to offer: San Josécito (III), San José (III+), and then the final rapid, White Wall (II). The remainder of the river has no rapids as it goes through the final gorge at Boca del Cerro, but we may still stop at a crystal clear side stream for a swim and/or explore a cave where the gigantic Boca del Cerro/Tenosique dam is to be built. We'll then arrive at the take-out around mid-day, de-rig, clean and dry items (2 hr), and drive back to Palenque. ~30 km

Service for the trip ends upon return to Palenque. Folks will generally stay at a hotel in Palenque or in cabañas at El Panchán. The group usually gathers for a restaurant dinner - possibly Don Mucho's, Maya Cañada or Las Tinajas. It is possible for participants to depart.

DAY BEFORE OR AFTER: Often folks will want to visit the ruins of Palenque or visit Cascadas Agua Azul, which are fun and more economically arranged as a group. Also with advance notice and approval, it may be possible to arrange kayak/raft runs of Ríos Shumuljá (class III), Agua Azul (class IV-V), Chacamax (class III), Chocoljá (class II-III), or other rivers in the area.

We will help arrange to get you back to the Villahermosa airport if you need to, but it's not covered in the price of the trip. It is a 1 hr 40min drive. Generally, a taxi is 900-1200p; ADO offers a convenient bus service at 278p and there are collectivos that can take you there for ~200p most times of the day.


TRANSPORTATION
The trip contribution includes getting you from Palenque to Frontera (the put-in) and back to Palenque from the take-out. Palenque is a small city with many hotels and restaurants and is the base for many travelers visiting the ruins of Palenque, Bonampak, Yaxchilán, and the Cascadas Agua Azul and Misol-Ha. If arriving by plane, there are several airports to consider flying to:

Palenque (PQM) airport is small and only serviced by Interjet to/from Mexico City (flights several times per week). If you're based in Mexico City, this is a convenient option. If you are flying from the USA or Europe, it is much easier to find flights into Villahermosa.

Villahermosa (VSA) airport is a 1.8 hr drive ride from Palenque. VSA is serviced by United, American, AeroMexico and other Mexico-based carriers (also as partner airlines). If several of the group are arriving at VSA airport, we can arrange to pick you up (a little extra fee), but you can always get a taxi from there to Palenque (1300p) or take the ADO bus service (278p; generally departs every hour from 7am - 9pm). If you have a vehicle, you can meet us in Palenque and possibly get a discount for use of your vehicle in shuttle.

Tuxtla Gutiérrez (TGZ) airport is approximately a 5 hr drive from Palenque. The route between Tuxtla and Palenque passes San Cristóbal de las Casas, a charming colonial city very popular with tourists, and the Cascadas Agua Azul, another of the major tourist destinations in the region.

Cancún (CUN) airport has international flights from just about everywhere, is serviced by most international US carriers, and generally is the most inexpensive to fly to. Although it is pretty far away (~10 hr by bus to get to Palenque), you would get to see more of the attractions on the Yucatán peninsula, including it's famed beaches, cenotes, and various post-classic Mayan sites (Chichén Itzá, Uxmal, and Tulum, for example) before or after the trip. If you have a group arriving to Cancún, we might be able to arrange a special van to take you to some of the peninsular sites and then to Palenque and the river.


COST
This trip is being run to increase appreciation of the river and help preserve this unique natural resource. We welcome everyone: raft passengers, raft paddlers, raft rowers, kayakers, IKers, and guides. The pricing policy has been carefully considered and takes into account the costs associated with running the trip, the services offered, and what other outfitters charge for similar long multi-day raft trips. While typical rates are ~$1800 for a 6-day MF Salmon River trip, you can see that our rates for similar length trips where everything is taken care of are considerably lower:

Contribution guidelines: General

We strongly encourage potential participants to offer the general contribution rate (some discounts may apply). Special discounts are sometimes offered to folks on our email list, so you are encouraged to sign up (Email List info).


RESERVATIONS
If interested in joining a trip, start a discussion by sending a note stating how you found out about the trip and a little background info about you and your paddling experience and what dates might work for you. Once you get the go-ahead from Rocky, you will need to provide a deposit to reserve your place on the trip. The balance is due 2 weeks prior to trip commencement (Contribution guidelines: General). See PAYMENTS for payment options.

A trip will definitely occur with a minimum of 4 full-paying participants but sometimes less. Other launch dates can be arranged for groups of 4 or more. For small groups wishing to minimize costs by sharing expenses and with a certain launch date in mind, we can list the additional launch date here to see if others might be interested in joining to make a full trip.

To make a deposit and/or payment, click PAYMENTS.

TRIP LEADERS (one or more of the following individuals):

The policy we will take on the trip is that the trip leader will have main authority when it comes to decisions for the group regarding river progress, camp, etc. If a participant has overestimated their ability to row or kayak, he/she may be mandated to ride on a raft and/or be assessed other penalties. Trip leader decisions can be vetoed by a majority vote of the group. If you are concerned about this issue and are an experienced boater, consider arranging your own group with our outfitting services.

(1) Rocky Contos, often the trip leader, is fluent in Spanish, explored nearly every river in Mexico, solo kayaked the entire Jataté-Lacantún-Usumacinta in early 2010, successfully led raft/kayak trips down the Usumacinta in Dec2011, Jan2012, Dec2012, Jan2013, Mar2013, Dec2013, Mar2014, Dec2014, May2015 (2X), Dec2015, Jan2016, co-authored the guidebooks to Chiapas and the Sierra Madre Occidental, and is preparing guidebooks for the rest of Mexico. In Mexico, Rocky has ~200 probable first descents covering ~8,000 km of river and ~55,000 m of drop and has paddled nearly every river in the country. He has paddled over 160 multi-day journeys on rivers, with dozens in the range of 5-22 days. While attaining his Ph.D. in neuroscience, Rocky worked as a kayak instructor and guide for UCSD's Outback adventures from 1993-1996 and gained valuable trip planning skills for large groups. Although primarily a kayaker, Rocky started rafting in the mid-1990s in order to introduce more people to the wonders of river travel. Since then and throughout his years as a postdoctoral research associate, he organized numerous large group raft and kayak expeditions, including five through Grand Canyon (18-22 days), two on the Salmon River (4-10 days each), and dozens to destinations such as the Salt, Kern, Rogue, Deschutes, John Day, Thompson, Similkameen, and Baja (2-6 days each). Rocky founded SierraRios with the goal of conserving the rivers of Mexico, and hopes that increased awareness and enjoyment of the resource will lead to protection. Rocky is certified in swiftwater rescue (RRC-Pro from SierraRescue3) and WFR (Wilderness First Responder). He is the primary organizer of this trip and will either be safety kayaking or rowing/captaining a raft.

(2) Sunción Lopez (Local Chol guide). Sunción will generally help guide and/or lead all future Usumacinta trips. Sunción came on a January 2013 Usumacinta trip and learned much about the river and rowing. He was a natural. His Chol bilinguality and familiarity with residents along the river adds safety to any trip and he provides additional information on points of interest and the flora/fauna of the jungle. Since that first trip, he's helped guide 8 more Usumacinta trips, a Lacanjá-Lacantún trip, Shumuljá trips, has paddled several rivers in central Mexico, and continues to aspire to be a great guide. Read more about Sunción here.

(3) René Lopez (Local Chol guide). René is Sunción's nephew and also did his first trip in 2012. He doesn't speak English, but rows well, is a hard worker, is employed at the Yaxchilán reserve where is found much of the year, and is happy to talk to you in Spanish. So far (Jul2016), René has helped guide 8 trips down the Usumacinta. .

(4) German Arroyo (Mexican guide), sometimes trip leader or co-leader, is a bilingual raft guide from Mexico City who has paddled the Usumacinta eight times and co-guided or organized several SierraRios Usumacinta trips. He will usually be rowing a raft, but can also kayak the river if an appropriate oarsperson takes the helm of his raft.

HEALTH
Guides trained in wilderness first aid will provide medical attention to those suffering illness or injury.  We will have one major first aid kit and one minor kit.  Our first aid kit will have some pharmaceuticals such as ibuprofen, anti-allergy pills, immodium, and possibly antibiotics. If you think you might suffer from something in particular, please bring your own pharmaceuticals.  Probably the most common ailment folks suffer from is gastrointestinal distress or traveler's diarrhea. You should try to minimize chances of contracting it by avoiding potentially dirty foods before the trip. During the trip, we employ NPS-recommended sanitization methods in all our food and water preparations/treatments. If you do end up suffering diarrhea, vomiting, and/or nausea for more than a day, you should consider taking ciprofloxacin for a few days (this generally makes the problem go away quickly).


Río Usumacinta is located in the jungles of Chiapas with certain health risks. We recommend that you read the CDC page regarding travel to Mexico and to Guatemala (because the Usumacinta runs along the border of both countries), consider the health advice, and visit your doctor before your trip. In general, visitors to the jungle areas of Chiapas should be vaccinated against Hepatitis A and possibly Typhoid. You might consider getting Rabies immunization as well. Although the area has had cases of Malaria, we generally encounter few mosquitos on the trip and you can protect yourself with repellent, clothes and by sleeping in a tent. To be extra cautious, you might consider anti-malarial medication.  

In the event of a critical injury, we will raft the person to the nearest road access and contract a ride out. We will carry a cell phone, satellite phone, and/or SPOT device for communicaton regarding emergencies and changes of plan. Evacuation and medical costs are the responsibility of the participant. We therefore highly recommend that all participants obtain a travel insurance policy such as those offered through Squaremouth, Tavelguard, or Travelsafe.


SAFETY & LIABILITY
All participants on the expedition will be required to sign a liability release similar to those for any outfitter.
As guides, we are there to help get you safely to the river, down it, and back out, but due to the inherent risk of whitewater expeditions, we cannot guarantee against accidents, espcially if you are in control of your craft. If you are concerned about the whitewater or other aspects on this river, it is ultimately your responsibility to make appropriate decisions whether to run the rapid or not and to stay close to someone who can watch and oversee you (if you desire that level of protection). If an accident occurs, we will do all in our power to help you, see that proper care is rendered, or evacuate you if need be. Other problems may occur that are out of our control. Again, we highly recommend that all participants obtain a travel insurance policy (see Squaremouth, Tavelguard, or Travelsafe). You are responsible for personal equipment loss, missed flights, and evacuation/medical costs.

The Usumacinta is generally a safe place these days, owing to the facts that the Guatemalan civil war and Zapatista uprising are distant memories, caretakers/guards/police are stationed at the Mexican reserves, and the Guatemalan military is now stationed by Piedras Negras and regularly travel up and down the river. Thousands of tourists travel down the river each year on motorized lancha to visit Yaxchilán. Although we have never had assaults or problems on any Usumacinta trip run by SierraRios (a total of 15 trips run between 2010-2016), we continue to take several precautions to avoid any problems, including (a) having local Chol-speaking guides along on our trip, (b) selecting safer camps, (c) avoiding areas that might be prone to bandidos/assault, (d) knowing the current situation in the area, and (e) consulting/ tipping military and security forces for guardianship. We strongly recommend against anyone venturing down the river without taking such precautions.

You might be concerned about the violence in Mexico surrounding the drug war that has been in the news a lot in the past decade. This violence is generally restricted to drug traffickers (narcos) and those associated with them, including law enforcement. As such, we are not likely to be harassed or molested in any way related to the drug war. For further discussion of the drug war and safety concerns, click here.


CLIMATE
Consult the climate chart to get an idea of what the weather might be like on the trip you plan to join. Dec-Jan are semi-dry times of the year with usually warm temperatures but some chance of storms. Feb-Mar-Apr are generally the driest months and getting very warm. In general, highs can be expected to be 24-33oC (76-92oF) and lows 17-24oC (62-76oF). When there are northern cold fronts blowing through, the highs can be as low as 70oF and it can be quite rainy. From Feb-Apr, there is less chance of rain, days are sunnier, and the temperatures are generally quite a bit higher. In the rainy season (Jun-Nov) expect lots of clouds and more rain. The water temperature in the river from Dec-Jun generally reflects the average temperature of the air.

Below are averages for Estación Chajul (near Frontera, though the climate is similar for Tenosique; a bit less rain overall as one progresses down the Usumacinta):

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg
AvgHigh(F) 80 83 87 91 92 91 91 90 88 86 83 80 86
AvgLow(F) 66 67 69 71 74 74 74 74 74 72 70 67 70
AvgPrecip(in) 3.8 2.7 2.2 2.2 6.0 16.0 18.7 19.2 22.5 15.9 8.3 5.5 11
AvgRainDays 11 9 5 6 10 22 24 25 22 21 16 15 16
AvgFlow(cfs) 45000 37000 31000 25000 25000 55000 88000 88000 105000 110000 92000 65000 62000

BUGS
You should take precautions against bug bites. Midges (aka no-see-ems; jejenes), chiggers, and mosquitos are the most frequent culprits. PROTECT YOURSELF and you won't suffer so much! Put on repellent at the put-in and as soon as we land at camp or the take-out, and also in the morning after getting out of your tent. Wear light airy pants and long-sleeve shirts. Choose Bugs-Away clothing or make your own by soaking your clothing in permethrin. Avoid walking around grass where cattle are common and chiggers hang out. Note: if you're not immunologically adapted to the area, the midge bites often lead to very itchy red welts!

WATER LEVELS
Water levels on the Usumacinta are generally medium in Dec-Jan, and low Feb-May. Low water is nice in the sense that more beaches are exposed, the river runs clearer, and there are more features in rapids such as surf waves. The river can be done any time of year though, and most of the river is not much more difficult at high water, though bigger whirlpools develop, swims in the rapids can be very dangerous, and some camps will not be available (be extra careful in the Gran Cañon de San José, where huge whirlpools can develop at high water and flip even 16' rafts!).

Historical flow hydrographs for the Usumacinta and some upstream tributaries can be viewed at the following links:

Historical flow: Usumacinta (Boca del Cerro)
Historical flow: Lacantún (Agua Verde II)
Historical flow: Chixoy/Salinas
Historical flow: Ixcán
Historical flow: Xalbal/Chajul

You can see the water levels over the past few weeks at Greg Schwendinger's Mayan Whitewater website (scroll down once you load it). Below you can see the average flows through the year (note 1000 cms = 35000 cfs):



FOOD/ALCOHOL/WATER
(click here)

CHORES, TOILET AND BATHING
(click here)

WHAT TO PACK:
(click here)


KAYAKS, IKs, and RAFTS AVAILABLE FOR THIS TRIP
(click here)


PLANNED DAMS FOR THE USUMACINTA

CLICK HERE

VOICE OPPOSITION TO THE TENOSIQUE DAM! Sign a petition against the dams. Send your comments to Presidente Enrique Peña Nieto. A sample letter is below (the one I sent):

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.A FEW COMMENTS FROM PAST PARTICIPANTS:


"Beautiful river with a ton of great “extras”: ruins, wildlife, waterfalls, etc. The rapids were pretty doable, but for me the whirlpools were a new thing and pretty crazy (especially in the packraft).  I chose to take photos from atop rafts for the last couple of days, but Bryan rode the whole river in his packraft. Awesome side excursions, the boys loved riding up the Chocolja river and running the last couple of rapids." 
[30Dec2016 Usumacinta trip]
Molly Ferrer; school board Denver and rafter/packrafter

"Hi Rocky, Thanks again for a sensational and unforgettable trip. You did such an amazing job organizing. I especially am psyched to have met you and to have another kayak friend/guide to work with. You guiding me off the waterfall was a big highlight... Erik." [2011b Usumacinta trip]
Erik Weihenmayer, blind mountaineer/author and budding kayaker (see www.TouchTheTop.com )


"You led one of the best trips I've ever been on... and I've been on a lot. " [2011b Usumacinta trip]
Chris Wiegand, former olympic runner and C1 paddler, founder of Sportainability and guide for Erik Weihenmayer


"Thanks for everything man, it was a trip of a lifetime ... We´ll be in touch and I look forward to conquering new rivers in the future. Salud, Eric" [2011b Usumacinta trip]
Eric Bach, Modern Gypsy (see www.TheModernGypsies.com)


"Hey Rocky, Thanks for the great trip... Looking forward to another trip down the road. John"
[2011b Usumacinta trip]
John Post, Modern Gypsy (see www.TheModernGypsies.com)


"Fabulous trip. Expect to hear more from Team Weihenmayer in the future... Cheers, Rob. " [2011b Usumacinta trip]
Rob Raker, climber extraordinaire and guide for Erik Weihenmayer (also see here)


"Thanks again for the great tour and the late-night excitement, Greg" [2011a Usumacinta trip]
Greg Scwhendinger, kayak explorer of Chiapas and Central America (see www.MayanWhitewater.com)

"The trip on the Usumacinta was great, I am very happy that I paddled the river and did not sit on the raft." [2013a Usumacinta trip]
Stanislav Chladek, former C1 world champion and author of Exploring Mayan Ritual Caves


"Thanks for everything, Rocky! What a blast that all was.  When's our next trip?!! -Suzy" [2011b Usumacinta trip]
Suzy Garren (Oakland, CA), former Grand Canyon trip participant.