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Montana · Unknown Co.

South Fork Flathead River

Wild & Scenic
· 79 mi · Class
Optimal: 1050–3200 CFS · USGS #12359800
2,124 avg
4,860CFS
8.41 ft gauge height
Above Optimal
Rising slowly (+20 cfs/hr)(-40 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
🌒
Waxing Crescent
15% illumination
Poor
Moon overhead
11:08 AM
Moonrise
3:06 PM
Moonset
7:11 AM
Moon underfoot
11:08 PM
Next full moon: May 3111 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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