New York · Unknown Co.
Mongaup River
· 3 mi · Class II+(III)
Optimal: 180–525 CFS · USGS #01433500
⚠56°F — Cold water — dress for immersion, not air temperature
669CFS
3.45 ft gauge height
Above Optimal→Stable(-26 in 3h)
Avg flow: 353 cfsHist. median: 0 cfsUSGS #01433500
Private
About
Rio Dam releases create three miles of Class II+(III) whitewater down to the Delaware River confluence, with flows averaging 353 CFS and optimal conditions between 180–525 CFS. The Mongaup runs entirely through private land, requiring coordination with property owners for access. At higher flows within the optimal range, the plus-III notation means some drops can push into solid Class III territory. USGS gauge 01433500 tracks the dam-controlled releases that dictate when this short run fires up.
Solunar Fishing Activity
🌒
Waxing Crescent
15% illumination
Poor
★ Moon overhead
8:27 AM
Moonrise
12:53 PM
Moonset
4:02 AM
★ Moon underfoot
8:27 PM
Next full moon: May 3111 days
10-Year Flow Patterns
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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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