Cut by the Yellowstone River, this climb up Clarks Fork Canyon is amazingly gorgeous. The route starts and ends next to very calm water with wide canyon walls. There are intense sections of the route that are a forced swim through rough waters with tight walls. Opportunities to view wildlife abound in this untouched wilderness. The route can also be done the opposite way with a descent down the river.

Cut by Porcupine Creek, this canyon eventually leads to the large Big Horn Canyon. The route begins down a short and steep trail to the base of the majestic 200-foot Porcupine Falls. Heading north, this route follows the beautiful canyon as it winds through untouched, remote and amazingly gorgeous wilderness and desert. This is an out-and-back route, turning around where a tributary creek enters. The canyon does continue on for many more miles before joining Big Horn Canyon.

Cut out by a small creek, this canyon leads to the large Big Horn Canyon that is filled by Big Horn Lake. The route follows the canyon as it makes sharp twists and turns through this barren and remote land. Most of the time, this canyon is dry and gets very tight as it gets closer to the lake. This is an out and back route and there are many wildlife viewing opportunities.