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Thunder Basin

North Cascades > North Cascades Highway - Hwy 20
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Hiking Thunder Basin

Thunder Basin

Map & Directions

Before You Go

WTA Pro Tip: Save a copy of our directions before you leave! App-based driving directions aren't always accurate and data connections may be unreliable as you drive to the trailhead.

More Hike Details

Trailhead

North Cascades > North Cascades Highway - Hwy 20

News

Hiker Headlines: Highway 20 closed this weekend, Summit at Snoqualmie parking fees

November 13, 2025

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Thunder Basin

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