• View from Sourdough Mountain Overlook  A view looking down onto Diablo Lake. Photo Credit: NPS/Michael Silverman, 2010.

    North Cascades

    National Park Washington

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  • Diablo Lake To Be Drawn Down Three Feet on Sept. 17 and Early Oct., Trailer-Launched Boats Affected

    On September 17 and October 1-15 Diablo Lake will be drawn down 3 vertical feet for facility repairs. During the drawdown, boats with trailers will not be able to launch or take boats off the water. Hand-launched vessels will still be able to launch. More »

  • Cascade River Road will be open as normal through fall/winter 2014

    Cascade River Rd. will be open in 2014 until snow conditions make it impassable to vehicles, as normal. The road closure that was planned to begin September 8 has been postponed beyond 2014 due to unforeseen circumstances. More »

  • Lone Mountain Fire - National Park Service Trail Closures

    The Lone Mountain Fire in North Cascades National Park is approximately 5 mi NW of Stehekin in the Boulder Creek drainage. Boulder Creek Trail is closed. More »

Accessibility at River Loop Trail

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This trail 1 star, is accessible with moderate grades, rest areas, interpretive signs, and benches. People using wheelchairs may need assistance. Round trips through lush forest along the Skagit River are 1.8 miles (2.88 kilometers) from the Visitor Center or 1 mile (1.6 kilometers) from Newhalem Creek Campground. In early summer the fragrance of twinflower floats gently on warm breezes mingling with joyful bird song. Nearest accessible restrooms are located at the North Cascades Visitor Center or in Newhalem Creek Campground.

Rated: Most difficult. Trail length: 1.8 miles. Total elevation change: 100 feet. Inclination: 0-15%. Cross-slope: 0-3%. Trail width: 36 inches average, 32 inches minimum. Surface: Compacted gravel/firm. Obstacles: 15% grade between Visitor Center and intersection with bottom loop of trail. This section can be avoided by parking at and accessing the trail to right of the restroom between loops A & B of Newhalem Creek Campground.

Did You Know?

Did You Know?

Stephen Mather Wilderness comprises 93% of the North Cascades National Park Service Complex. About 400 miles of trail provide access to this rugged Wilderness.