• 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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  • State Route 20 closed at Mile Post 134, Ross Dam

    After a brief closure at Newhalem due to an avalanche and unstable conditions, SR 20 has re-opened to its normal winter closure point at MP 134, Ross Dam. The highway will remain closed from Ross Dam to MP 171 (Silver Star Creek) until spring re-opening. More »

  • Ross Dam Haul Road Closure Continues

    A short segment of the Ross Dam Haul Road between the Diablo Lake suspension bridge and the tunnel remains closed to public use due to continued recovery following a March 2010 landslide. The closure will remain in effect through 2014. More »

  • Notice of planned work for the Cascade River Road, fall 2014

    Visitors planning to access the park via the Cascade River Road after Labor Day should be advised that the Park Service is planning a fall closure of this road at Eldorado Creek (3 miles before the end of the road) in order to perform permanent repairs. 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.