List of all Sierra Madre Oriental river sections
	The table below shows a list of all whitewater river runs in the Sierra Madre Oriental region of Mexico. Some are linked to slideshows (I still have ~50 to put up for the runs I've done!). Some KM and DROP are approximations. There are scanned maps and hydrographs for all.
	REGION RÍO NAME CLASS KM DROP RC maps hydrograph TAMAULIPAS-NUEVO LEÓN Sabinas II? 100 500 - - Santa Catarina II-IV? 30 200 - 1 2 Pilón (Montemorelos) II-III 20 200 - ElPilón Cabezones(Potrero-SF) V 100 800 - 1 2 3 Pablillo III-IV 20 200 - 1 Blanco-Purificación IV? 100 600 - 1 2 Soto La Marina II? 20 40 - 1 2 Guayalejo III-IV 60 350 * 1 2 3 Ocampo V? 16 150 - - CIUDAD VALLES Valles1_Uppermost IV? 10 150 - Valles2_ElSalto IV-V 5 100 * - Valles3_Micos IV 5 100 * 1 MinasViejas IV-V 10 250 * - OjoFrio III-IV 10 150 * - San Nicolas V 10 300 - - Tamasopo III-IV 20 200 - - Gallinas III 20 100 * 1 Jalpan (Upper) III 30 300 - - Jalpan (Lower) III 40 200 - - SantaMaria (Canyon0) IV? 160 1000 - 1 2 - SantaMaria (Canyons1-2) IV 71 350 * 3 4 - ....................[slides#2] - - SantaMaria (Canyons3-4) IV 21 100 * 3 4 - SantaMaria (Tampaón) III 10 50 * 3 4 1 SantaCatarina/SanNicolás IV? 50 400 - - Verde0 III? 50 200 - 1 Verde1_(Canyon1) IV-V 11 180 * 1 2 2 Verde2_(Canyon2) IV-V 19 170 - - Verde3_(Canyon3) V- 17 90 * - TAMAZUNCHALE Moctezuma (Tula) III 30 200 - 1 1 2 Moctezuma (BlindFaith) V 35 400 - 1 - Moctezuma3 (Main) IV 100 600 * 1 2 1 Moctezuma4 (Lower) III 35 100 * 1 2 3 4 1 (way down) Extoraz IV 60 500 * 1 - Amajac (Tolantongo) V 10 250 * 1 2 - Amajac (Upper) III-IV 70 500 * 1 2 - Amajac (Main) III 80 300 * 1 2 1 Claro (Upper) V 20 400 - 1 - Claro (Main) III 50 300 * 1 - Tancuillín II-III 20 150 * 2 - Xilitla IV? 15 300 - - Tehuetlán III 25 300 * - NORTHERN VERACRUZ Atlapexco III 37 400 * 1 2 - Calabozo IV then II 80 700 - 1 2 - Vinasco IV then II 80 700 - 1 2 3 - Chiflón IV then II 30 500 - 1 - Pantepec IV 51 600 * 1 1 2 SanMarcos IV 56 600 * 1 2 - Cazones I-II 50 100 * 3 1 Tecaxa III 10 150 * 1 - Necaxa (Main) IV 18 300 * 1 - Necaxa (Lower) II-III 30 200 - 1 - Ajajalpan (Upper) IV 24 500 * 1 - Ajajalpan (Loco) V-VI 20 700 - 1 - Ajajalpan (Lower) III 78 500 * 1 - Zempoala (Uppermost) V 20 500 - 1 - Zempoala (Main) V 31 600 * 1 - Zempoala (Lower) III? 40 300 - 1 - Apulco (Seco) II-III 50 400 * 1 - Apulco (Upper) IV 20 300 - 2 - Apulco (Loco) V-VI 20 800 - 2 - Apulco (Lower) II 50 200 * 2 3 - Xocayucan V 20 800 - 2 - CENTRAL VERACRUZ Jalacingo V 8 400 - - Alseseca (Uppermost) V 10 400 - 1 - Alseseca1 (Roadside) IV-V 4 200 * 1 - Alseseca2 (BigBanana) V 10 500 * 1 - Alsaseca (Cascadas) V 10 300 - 1 - Filo (Upper) IV-V 20 400 * 1 - Filo (Ruinas) III 10 100 * 1 - Bobos III 25 200 * 1 1 Misantla III 30 300 * 1 - Actopan III 19 150 * 1 1 2 Xico V 30 600 - 1 - Antigua1 (Uppermost) V 30 400 - 1 - Antigua2 (BarrancaGrande) IV 33 400 * 1 - Antigua3 (PuentePescados) IV 10 100 * 1 1 Antigua4 (BañosCarrizal) III 41 300 * 1 2 2 Antigua5 (toMouth) II 40 150 * 2 - Jamapa (Upper) V 20 600 - 1 - Jamapa (Middle) IV 30 400 - 1 2 - Jamapa (Lower) II 50 200 - 2 1 Atoyac (Main) III-IV 50 500 * 1 2 - Atoyac (Lower) II 50 100 * 1 2 1 2 Blanco (Main) IV 30 400 - 1 2 3 - Blanco (Lower) III 50 400 - 1 2 3 1 Xoxocotla V 30 400 - 1 - OAXACA AREA Tonto (from cave) II 60 150 - 1 - Coyolopa IV? 15 500 - - Petlapa (Upper) V? 15 600 - 1 - Petlapa (Lower) III? 20 200 - 1 2 - Salado III? 100 500 - 1 - SantoDomingo1 (Grande) IV 109 800 * 1 - SantoDomingo2 (Grande) II 30 150 * 2 3 1 SantoDomingo (Main) IV 68 600 * 2 3 1 2 Usilá (hike) IV-V? 20 400 - 1 - Usilá (Lower) II 30 100 - 1 Valle Nacional (Upper) IV 20 300 - 1 - Valle Nacional (Lower) II 20 100 - 2 1 2 Soyolapam (Main) IV-V? 25 400 - 1 - Cajones (Upper) IV 30 300 * 1 - Cajones (Main) III-IV 56 400 * 2 1 Cajones (Lower) II 60 150 - 3 2 3 La Lana II 30 150 - 1 - Colorado IV? 40 400 - 1 1 2 Puxmetecan (Upper) III-IV 70 350 * 1 - Puxmetecan (Lower) II-III 40 150 * 2 1 Bobo-Jaltepec III 48 250 * 1 - Jaltepec IV 67 500 * 2 3 4 1 2 Sarabia IV? 30 300 * - El Corte (Upper) IV? 60 800 - 1 - El Corte (Lower) II? 80 200 - 2 1 Uxpanapa I-II? 50 100 - 1 CATEMACO AREA Catemaco III 19 350 * C1 1 Tepango (Saltos) IV 23 200 * C1 - Tecolapan III-IV 22 150 * C1 1 Oro V 6 200 * C1 - Huazuntlán III 15 150 * C2 1 Olapa/Sont./Tecuanapa V? 40 1000 * C2 -