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Summit

Crooked Thumb Peak

Washington

About

Crooked Thumb Peak is a summit of about 8,152 feet in Whatcom County, Washington, inside North Cascades National Park and the Stephen Mather Wilderness. The National Park Service manages the land, and the nearest town is Marblemount, about 20 miles away. The peak sits in designated wilderness within the national park, so plan on backcountry conditions. The Northern Pickets climbing area is less than a mile away, and the Southern Pickets are about 4.5 miles off. The Baker River, a canoeing route, is roughly 5 miles away, and the Stillwell Camp Access hike is about 5.6 miles away.

Summit Facts

Summit elevation

8,152 ft

Land manager

National Park Service

Elevation from USGS 3D Elevation Program terrain data (about 10 m resolution).

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Location

Crooked Thumb Peak

Washington

Name and location: U.S. Geological Survey, Geographic Names Information System (GNIS). Elevation: USGS 3D Elevation Program. View the GNIS record.

Facts about this place

Where it is

Nearest town
Marblemount, Washington · 20 mi
Managed by
National Park Service

Source: Wilderness.net boundaries; NPS Land Resources boundaries; USGS PAD-US 4.1; USGS GNIS populated places

Conditions

Active alerts for North Cascades National Park as of Oct 9, 2026:

Source: NPS Alerts API

Nearby

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)