• 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 »

Winter Fun in the North Cascades

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Date: January 7, 2008
Contact: Charles Beall, 360 854-7302



A mere five miles of road within North Cascades National Park Service Complex is affected by the winter closure of the North Cascades Highway (State Route 20) at milepost 134. This means that scenic drivers and adventurers alike can enjoy their national park all winter long:

· The North Cascades National Park Visitor Center near Newhalem is open Saturdays and Sundays 9:00 a.m. to 5:00 p.m.

· Scenic drivers can access the Diablo Lake and Gorge Creek Falls Overlooks.

· Campers can access the Colonial Creek, Gorge Lake, and Goodell Creek Campgrounds (no winter services and no fees).

· Hikers can access the Ross Dam, Happy-Panther, Pyramid Lake, Thunder Knob, Diablo Lake, Thunder Creek, Pyramid Lake, and Newhalem Area trails.

· Boaters can access Diablo and Gorge Lakes.

· Rafters can access the Skagit River.

The Washington State Department of Transportation plows the North Cascades Highway to the closure at milepost 134 and the National Park Service ensures access to the North Cascades National Park Visitor Center, but access to campgrounds, overlooks, boat ramps, and trailheads is not maintained and may be impacted by winter conditions. More information about visiting your national park is available at www.nps.gov/noca or by calling park headquarters in Sedro-Woolley at 360-854-7200.

Did You Know?

Did You Know?

North Cascades National Park Service Complex includes 684,000 acres near the crest of the Cascade Mountains from the Canadian border south to Lake Chelan.