Flathead River — Middle Fork
★ Wild & Scenic🏞 National Park🌿 Wilderness
Flathead / Glacier Co. · 94 mi · Class I–IV
3,860CFS/ 3.75 ft
Optimal↓Falling slowly (-30 cfs/hr)· -30 cfs in 3h
Optimal: 2000–8000 CFS · USGS #12358500
Length
Difficulty
Optimal
Avg Flow
Hist. Median
USGS Gauge
National Wild & Scenic River · Great Bear Wilderness · Glacier National Park boundary
One of the most spectacular wilderness river corridors in the American West — flows along the southern boundary of Glacier National Park and through the Great Bear Wilderness. Bears (both black and grizzly), mountain goats, moose, and wolves inhabit the corridor.
Trip sections
Upper Middle Fork — Schafer Meadows to Moccasin, remote wilderness float
Middle section — Spruce Park to Bear Creek, Class II–III
Lower Middle Fork — Bear Creek to Columbia Falls, Class III–IV
Outfitters
Glacier Raft Company
Middle Fork Flathead trips, all levels
Wild River Adventures
Multi-day Middle Fork expeditions
72-Hour Flow Forecast
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10-Year Flow Patterns
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Data Quality
River conditions are community-verified. CFS ranges, difficulty ratings, and trip sections may not reflect every flow level or seasonal change. Always check current conditions, scout unfamiliar rapids, and paddle within your skill level. If you spot an error, use the Improve This River button at the top of the page — your local knowledge is what makes this atlas accurate.