The remote Thornton Lakes consists of three magical alpine lakes: Lower, Middle and Upper Thornton Lake that are surrounded by the beauty and peaks of the Northern Cascades. Enjoy the views towards Mount Triumph, the Picket Range and dramatic glaciers. If you like to stay overnight at Lower Thornton Lake, obtain a backcountry permit at the ranger station in Marblemount.

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Best Hikes to Thornton Lakes & campsite

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1. Thornton Lakes Trail – North Cascades National Park

14.7km

05:18

890m

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Hard

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Elevation 1,390 m

Weather

Today

Sunday 1 February

7°C

2°C

95 %

Additional weather tips

Max wind speed: 4.0 km/h

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Location: Whatcom County, Washington, United States

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Thornton Lakes & campsite

1. Thornton Lakes Trail – North Cascades National Park

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