Colonial Creek Campground is the launching point for two popular trails--Thunder Knob and Thunder Creek. The 3.6 mile moderate hike up to Thunder Knob features two viewpoints above Diablo Lake with glimpses of the surrounding peaks both going and coming. The easy 4-mile hike along Thunder Creek meanders through old growth forests to a suspension bridge.
The North Cascades Visitor Center in Newhalem features nature exhibits,...
Read MoreAnother must-see stop on the North Cascades Highway is Washington...
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