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Idaho River Rafting on the Salmon River

Main Salmon Rafting Trips

Known as the RIVER OF NO RETURN the Main Salmon is perfect for all ages, interests, and abilities. The deep canyon is littered with enormous beaches and huge cliffs of Idaho’s famous granite Batholith. The hillsides are full of endless old growth forests, wildflowers, and fire mosaics. Alongshore, the Main boasts of a rich human history with Historical sites and inspiring stories of the lost generations of miners and pioneers.  The Main Salmon is big western water at its best with its friendly, deep pool-drop rapids, that beckons you to get wet on hot summer days. Filled with its own unmatched beauty, wildness, and adventure, The Main creates an experience unique to itself and different from that of its tributary, the Middle Fork.

A Hidden Gem

It is easy to fall in love with the relaxed pace, warmer waters, and grand white sandy beaches of the Main. The wildlife is abundant including moose, black bear, bighorn sheep, and eagles. You may also occasionally see a jet boat that supplies the few beautiful historic ranches along the river with mail, food, and supplies. Camp life includes surprisingly large beaches with huge swimmable eddies, glittering side creeks, and hiking trails that lead to spectacular ridgetop vistas. The boating is superb with fun, high volume Class III+ IV- whitewater. The surfing and kayak play is unbelievable for any skill level. The Main Salmon’s friendly rapids are fun for everyone! Multiple routes through the rapids allow for paddlers of all abilities to choose between a wild ride or a more conservative line. The friendly nature of this river also provides for amazing Stand-Up Paddleboarding. Try your skills SUPing around the eddy at camp, down the many pools between the drops or the drops (a.k.a. rapids) themselves. The Main Salmon is simply awesome, whether you’re in the midst of a rapid or sitting in camp staring up at one of the deepest canyons in North America.

Main Salmon River SPECS


  • High water, 94 milesmap-white
  • Low water, 81 miles
  • Average gradient: 12 ft/mile


  • Big water class III with some class IV

Average daily flow:

  • June 27,500 c.f.s.
  • July 9,600 c.f.s.
  • August 4,700 c.f.s.

Age & Skill Level

You don’t need prior rafting experience or skills to enjoy a trip with us. Six years old is the recommended minimum age and there is no upper age limit. Guests should realize that the higher, colder waters of early June are more challenging than later summer levels. The early-season weather here in Central Idaho can be inclement. For these reasons, we do not recommend the early-season period for families with young children. A minimum age guideline for early June is around twelve years old and does depend on water levels, which vary from season to season. We do recommend that you be in good health and consult your physician with any health questions or concerns prior to taking a wilderness trip of this sort.