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

    North Cascades

    National Park Washington

There are park alerts in effect.
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  • Highway 20 Will Be Closed East of the Park For Culvert Repairs On Oct 21 & 22.

    Highway 20 will be completely closed between mileposts 147 & 157 (Granite Creek to Rainy Pass) from 6 a.m. Oct. 21 to 4 p.m. Oct. 22. The Easy Pass trailhead will be inaccessible during this time. More »

  • Diablo Lake To Be Drawn Down Three Feet in Oct., Trailer-Launched Boats Affected

    Diablo Lake will be drawn down 3 vertical feet for facility repairs from October 8-17. 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 »

Tumwater Bridge Repairs

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Date: October 21, 2009
Contact: Sarah Ehlen, 360 854-7305, ext. 13

The National Park Service will be conducting erosion control and abutment work on Tumwater Bridge along the Stehekin Valley Road in North Cascades National Park. The construction will temporarily close the Stehekin Road to all vehicle, bicycle, and foot traffic above Tumwater Campground beginning October 26, 2009. Work is expected to be ongoing through mid-November. The Tumwater Bridge endured flood damage and erosion during and since the 2003 flood.

"We need make these repairs to prevent erosion from further damaging the up-valley abutment, and maintain access and visitation to this portion of the Stehekin Valley," says Chip Jenkins, North Cascades National Park Superintendent.

Hikers wanting to access the upper Stehekin Valley should use the Old Wagon Trail (Pacific Crest Trail) from High Bridge. Tumwater Campground will remain open during the project. Drivers on the Stehekin Valley Road should be aware of the potential to encounter increased vehicle traffic before and during the project, as trucks will be transporting rock and materials to the work site.

Did You Know?

Did You Know?

North Cascades NPSC has over 300 glaciers, more than any other park in the lower 48 states. More than half the glaciers in the 48 states are concentrated in this mountainous wilderness region called the North Cascades.