Stanislaus River
Tuolumne / Calaveras Co. · 60 mi · Class III–IV
—CFS
Loading…Water temp: 58°F
Optimal: 500–3000 CFS · USGS #11302000
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USGS Gauge
BLM Goodwin Canyon Recreation Area · Camp 9 Whitewater Run
Sierra Nevada foothill whitewater through Goodwin Canyon and the Camp 9 run — the Stanislaus delivers Class III–IV rapids in a dramatic limestone and granite canyon east of the Central Valley. The river was at the center of one of California"s most famous environmental battles when New Melones Dam flooded the original Camp 9 canyon in the 1980s.
Trip sections
Camp 9 Run — Class III–IV, 10 mi, most popular whitewater
Goodwin Canyon — Class III, 5 mi, below Goodwin Dam
Knights Ferry — Class I–II, family float, historic covered bridge
Outfitters
Sunshine Rafting Adventures
Stanislaus River guided raft and kayak trips
72-Hour Flow Forecast
NOAA NWPSLoading forecast...
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.