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Interstate 5 Bridge Collapse Detour
I-5 is closed in both directions in Skagit County south of Burlington. WSDOT has published the following detour map. Also consider State Route 530 through Darrington from the south or State Route 9 from Bellingham and the Lower Mainland to reach the park. More »
Curriculum Materials
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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.