The Lochsa River, pronounced "Lock-saw," is a premier whitewater destination located in north central Idaho. This Wild and Scenic River flows through the rugged Bitterroot Mountains, offering paddlers a thrilling combination of continuous rapids, stunning scenery, and pristine wilderness.

The Lochsa begins at the confluence of Crooked Fork and Colt Killed Creek near Powell Ranger Station and runs for approximately 70 miles before joining the Selway River to form the Middle Fork of the Clearwater. Along its course, the river drops nearly 2,000 feet in elevation, creating a playground of world-class rapids.

Paddling opportunities on the Lochsa cater to a wide range of skill levels, with the river generally divided into upper, middle, and lower sections. The upper stretch from Powell to White Pine offers a more relaxed Class II-III experience, perfect for intermediate paddlers or as a warm-up. The middle section from Indian Grave Creek to Wilderness Gateway Bridge ramps up the intensity with continuous Class IV rapids, while the lower section from Split Creek to Lowell delivers the river's most challenging Class III-V whitewater, including the famous Lochsa Falls.

The Lochsa is primarily a spring runoff river, with the best paddling typically occurring from late April through early July. Water levels can fluctuate dramatically, with high water in May and June offering massive waves and powerful hydraulics that attract expert paddlers from around the world. As levels drop later in the season, the river becomes more technical but still provides excellent whitewater opportunities.

The river corridor is home to diverse wildlife, including elk, deer, black bears, and various bird species. The surrounding Clearwater National Forest showcases a mix of dense evergreen forests and open shrubfields created by early 1900s wildfires, providing a scenic backdrop for paddlers.

Notable landmarks along the Lochsa include the historic Lochsa Lodge, a popular gathering spot for river enthusiasts, and the Wilderness Gateway Campground, which serves as a common put-in or take-out point. The small town of Lowell, located at the confluence with the Selway, offers amenities and accommodations at the Three Rivers Resort.

The Lochsa holds significant cultural importance to the Nez Perce Tribe, with the river's name meaning "rough water" in their language. The river also played a role in the Lewis and Clark expedition, as the explorers traveled along its banks in 1805.

Safety is paramount on the Lochsa, given its remote location and challenging rapids. Paddlers should be prepared for cold water, even in summer, and have appropriate safety gear and experience for their chosen section. It's advisable to check current flow levels and weather conditions before embarking on a trip.

For those seeking a multi-day adventure, the Lochsa can be combined with upstream sections for longer trips, typically ranging from two to three days. These extended journeys allow paddlers to fully immerse themselves in the river's rhythm and the surrounding wilderness.

Access to the Lochsa is primarily via Highway 12, which parallels much of the river's course. This proximity to the road makes it easy to scout rapids and set up shuttles, while still maintaining a sense of wilderness adventure.

Whether you're an adrenaline-seeking expert looking to tackle the notorious Lochsa Falls or an intermediate paddler hoping to improve your skills on the upper sections, the Lochsa River offers an unforgettable whitewater experience in one of Idaho's most beautiful settings.