Boston Basin
Boston Basin in Washington has 15 climbing routes across 10 difficulty grades.
- 15 routes
- 5.0 – 5.10-
- Alpine
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 is a climbing area in the Stephen Mather Wilderness, within North Cascades National Park in Washington, managed by the National Park Service. It sits in designated wilderness, and there is no fee to visit. The area has 15 alpine routes, with grades ranging from 5.0 to 5.10-. The easiest is Sahale Glacier at 5.0, and the hardest is Southeast Face at 5.10-. North Ridge and West Ridge are both 5.6, and East Ridge Direct is 5.8-. The Boston Basin Trail is about 2 miles away, and the Doubtful Lake Trail and Sahale Arm Trail are each within about 2.4 miles. For more climbing, Main Peak is roughly 4.6 miles off.
Routes (15)
Aiguille de l'M(2)
Boston Peak(1)
Forbidden Peak(4)
Johannesberg Mountain(2)
Mount Torment(2)
Sahale Peak(2)
Sharkfin Tower(2)
Facts about this crag
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