Lochsa River Whitewater Rafting
Lochsa River whitewater rafting is an adrenaline-packed adventure through one of Idaho’s wildest free-flowing rivers. With 20+ miles of continuous Class IV rapids, massive waves, and heart-pounding drops, the Lochsa delivers an unforgettable ride. The Lochsa River is one of the best whitewater rivers in the world.
Lochsa River Whitewater Rafting

Our team of river guides here at ZTS feel that the Lochsa River is one of the best whitewater rafting rivers in the world. The Lochsa originates on the western slope of the Bitterroot Mountains, deep in the wilderness of the Clearwater National Forest. It quickly gains momentum as it cascades downstream, challenging boaters with its infamous big water rapids. The Lochsa will thoroughly drench and exhilarate anyone who attempts to charge through its impressive standing waves and churning holes.
Lochsa season begins in early May, when the high mountain snow begins to melt and spring rains come to Lolo Pass. This free-flowing, truly wild river can vary in flow depending on many variables, and its levels are hard to predict. The “big water” levels are typically between May and mid-June. Higher flows are great for guests with previous rafting experience who crave the rush of thunderous world-class rapids. Good physical shape and the ability to self-rescue are essential at these bigger levels. As the water drops, the temperatures increase and the river becomes more technical (and a little less intimidating). The Lochsa has something to offer at all flows. It never disappoints!
All of our trips include hot, satisfying meals served from our Lochsa Riverside wilderness camp kitchen, Riley Flats. Locally smoked pork shoulders, homemade BBQ sauces, rolls, and our famous cookies from scratch will satisfy any hungry appetite. Trust us, tasty riverside meals make ALL the difference when whitewater rafting the Lochsa River.
With rapids such as Ten Pin, Christmas, Joansie’s, Bloody Mary, Grim Reaper, Lochsa Falls, Pipeline, Split Creek, and Termination, every trip down the Lochsa is a superlative whitewater experience. Our guides are seasoned river runners and will enhance your white water rafting experience while maintaining the overall safety of your trip. No matter how many times you’ve seen the Lochsa, when your guide shouts “Paddle forward!” your heart pounds hard, and you know that the unparalleled thrills of this river are waiting for you just downstream!
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Lochsa Riverside Lunch
