Accommodation

Crowsnest Pass

Chinook Lake and the Castle Provincial Park campgrounds.

Crowsnest Pass & Castle region — Alberta Parks

Reservable — Chinook Lake; Beaver Mines Lake, Castle Falls, and Castle River Bridge (Castle PP)
First-come, first-served — Lynx Creek and the numbered designated camping areas (Castle PP camping index)
Hostels — none nearby.

Glacier National Park, Montana

Recreation.gov campgrounds on both sides of Going-to-the-Sun Road, and the entrance pass.

Rogers Pass, Revelstoke, and Golden

Camping in Glacier and Mount Revelstoke national parks in the Selkirks, around Revelstoke, and at Golden.