Snoqualmie Tunnel

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A highlight along the Palouse to Cascades State Park Trail, the Snoqualmie Tunnel once protected trains from severe winter weather. Now bicyclists and hikers enjoy this mysterious, dark, and moist monument to the Northwest’s railroad history. At 2.3 miles long, it is the longest bike/pedestrian tunnel in the United States.

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[47.39478,-121.39605]