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Montana · Unknown Co.

South Fork Flathead River

★ Wild & Scenic
· 79 mi · Class
Optimal: 1050–3200 CFS · USGS #12359800
⚠48°F — Cold water immersion risk — review cold water safety before launching
2,124 avg
10,300CFS
10.48 ft gauge height
Flood
↓Falling slowly (-100 cfs/hr)(-200 in 3h)
⚡Flow data is live from USGS·Rapid classifications and CFS ranges need community verification·Know this river?
Avg flow: 2,124 cfsHist. median: 0 cfsUSGS #12359800
National Wild & Scenic River · U.S. Forest Service

About

Wild & Scenic designation protects 79 miles of the South Fork Flathead River through Forest Service wilderness, with flows averaging 2,124 CFS and optimal conditions between 1,050 and 3,200 CFS. USGS gauge 12359800 tracks the hydrology of this major tributary system. The South Fork holds its Wild & Scenic status across its entire surveyed length, indicating undeveloped corridor conditions and free-flowing character throughout the drainage.

Solunar Fishing Activity
🌖
Waning Gibbous
88% illumination
Poor
★ Moon overhead
10:02 AM
Moonrise
6:02 AM
Moonset
2:03 PM
★ Moon underfoot
10:02 PM
Next full moon: Jun 2926 days
10-Year Flow Patterns
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Your Optimal Range
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Data Quality

River conditions are community-verified. CFS ranges, difficulty ratings, and access points may not reflect every flow level or seasonal change. Always check current conditions, scout unfamiliar rapids, and paddle within your skill level.

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