Thornton Lakes
Itinerary
Trailhead directionsThornton Lakes Trailhead
4.5 mi • 2,500 ft gain
Thornton Lake Camp
4.5 mi • 400 ft gain
Thornton Lakes Trailhead
Reservations
This trip requires a North Cascades National Park Backcountry Permit.
How to fill out the application
Starting Area
Short Trails
Campsite
Thornton Lake Camp
Select a start date
January 2023
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∞
Unlimited spots
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