Boston Basin
Remote alpine climbing in Washington's North Cascades with multi-pitch routes.
Is Boston Basin open right now?
Closure in the area
There's a closure order in North Cascades National Park. It doesn't name Boston Basin, so check the source for the area it covers (2 listed).
Fire Closures - Trail, Area, and Camp Closures
Park closure covering North Cascades National Park · NPS · North Cascades National Park
Hozomeen Gate Remains Closed
Park closure covering North Cascades National Park · NPS · North Cascades National Park
Delays on Cascade River Road Starting October 13
Park alert covering North Cascades National Park · NPS · North Cascades National Park
Be Aware of Break-ins along State Route 20
Park alert covering North Cascades National Park · NPS · North Cascades National Park
Diablo Lake Boat Launch Inaccessible to Powerboats
Park alert covering North Cascades National Park · NPS · North Cascades National Park
As of · Source: NPS · North Cascades National Park. Agencies don't list every closure — check before you go.
Boston Basin offers alpine climbing on solid rock in a remote, high-elevation setting in Washington's North Cascades. The area attracts climbers seeking multi-pitch routes and mountaineering-style ascents in a pristine wilderness environment. It's best suited for experienced climbers comfortable with approach scrambles, variable conditions, and self-sufficiency in exposed terrain.
Routes
No routes catalogued here yet
We have this crag's location and access details, but not its individual climbs. Routes appear here as our sources add them.
The map shows other climbing nearby, or browse more crags.
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Map and trail data © OpenStreetMap contributors
