Idaho’s Salmon River Canyon Carved in the rugged mountains of the Frank Church Wilderness in the heart of Idaho, the Salmon River Canyon wears a stunning dress of welcome. Do something special for yourself and the people you care about. Invite your family, friends, and business partners on a river journey. We look forward to creating a river experience tailored to your needs and desires. Whether you want to go fishing, sight-seeing, or make a jet boat connection for your rafting excursions in the canyon. Join Whitewater Expeditions for a unique Wild and Scenic Jet Boat Tour and take home memories to last a lifetime.