MAMMOTH RIVER ADVENTURES

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GO BIG

GO MAMMOTH

BOOK NOW FOR 2025

DEDICATED TO PROVIDING HIGH QUALITY Whitewater Rafting & Riverboarding ADVENTURES on the Lochsa River.

Mammoth River Adventures is a premier guide service offering outfitted whitewater rafting and riverboarding trips on the Lochsa River in the Selway Bitterroot Wilderness of Idaho. The Lochsa River is known for its powerful and continuous rapids making for an unforgettable whitewater rafting experience. Mammoth River Adventures provides the gear, shuttles, professional guides, and a hot riverside lunch. Make your next adventure MAMMOTH on the Lochsa River.


“Unreal experience. Been 7 times in my life rafting and can say this was the best of them all.

Thanks to the crew for the amazing and truly authentic wwr experience. Felt incredibly safe yet ready to get my adrenaline pumping.

Hope to go again next year with them. If you’re a person on the fence thinking about doing this and read this comment… please do it. Adventure is out there, and live your best life. You won’t regret it.”

-Nick Ching


Lochsa Whitewater Adventures

Lochsa Whitewater Rafting

— $179

Meet the guides in Lowell Idaho and raft through class IV rapids on the world-famous Lochsa River. Our professional guides are experts at making everyone feel confident, safe, and included.

Lochsa Riverboarding

— $279

WARNING: This adventure is for extreme adrenaline seekers. Receive professional instruction from our licensed guides and Riverboard through class IV rapids on the Lochsa River.

Industry Leading Safety Equipment & Amenities

Mammoth River Adventures provides industry leading safety equipment & gear to all of our rafting and riverboarding guests. We believe there should be no hidden rental fees for any necessary equipment. Our guides are licensed with the State of Idaho on the Lochsa River and meet minimum safety training standards. We are always looking for new ways to expand amenities to meet the needs of our guests.

Licensed Guides

Season Passes

Riverside Lunch

Dietary Friendly

Unforgettable Memories

New Rafts

Type V PFDs

Riverboard Safety

Shuttles

Professional Instruction

Need more info?

Send us a message if you have any questions about our adventures. We strive to make special accomodations for all of our guests.

“Only Those who risk going too far can possibly find out how far they can actually go”

-T.S. Eliot

Lochsa rafting with Mammoth River Adventures in Idaho. Enjoy the vacation of a lifetime Whitewater Rafting down the Lochsa river with Mammoth River Adventure. All-incluse Whitewater Rafting trips on the Lochsa River with Mammoth River Adventures. Mammoth River Adventures is the best outfitter on the Lochsa River for Whitewater Rafting and Riverboarding. We love Whitewater Rafting on the Lochsa.