We ask that you support SierraRios with a contribution ($30; tax-deductible) that will help in the conservation of rivers in Mexico's Sierra Madre. Also, consider the following benefits you will receive:

1) A copy of the guidebook, "Rivers of the Copper Canyon Region" when published in 2010.

2) A DVD with 2 hr edited video of descents of rivers in the Copper Canyon region, including the Barranca del Cobre, Barranca Sinforosa, Rio Batopilas, and others.

3) Access to topo maps and hydrographs of the rivers in the northern Sierra Madre Occidental (the Copper Canyon region). [example map]

4) Waterproof paper printouts of topo maps for ten river sections of your choice.

To join, send an e-mail to rocky@sierrarios.org stating your name, address, e-mail, and the rivers sections you are most interested in. Your contact information will not be given to third parties. Your name will be put on a list to receive the guidebook as soon as published. You can send a check made out to "Sierrarios" to: