The park and its facilities are open seasonally, depending on the weather. Visit the NPS’s website before you go.
Please note that North Cascades Highway is typically open from mid-April or May through late fall (depending on the snowfall). Most snow is off of the trails by July and the golden larches put on their fall colors sometime in late September through early October.
The highway, park facilities, and trails close for the winter due to heavy snow.
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