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Missouri · Unknown Co.

Castor River

· 129 mi · Class
Optimal: 275–825 CFS · USGS #07021000
550 avg
133CFS
1.66 ft gauge height
Below Optimal
→Stable
⚡Flow data is live from USGS·Rapid classifications and CFS ranges need community verification·Know this river?
Avg flow: 550 cfsHist. median: 0 cfsUSGS #07021000
Designated Water Trail · State

About

Averaging 550 CFS with an optimal range of 275–825, the Castor River runs 129 miles as a designated water trail. The section above Zalma provides the primary paddling corridor. USGS gauge 07021000 tracks conditions for this system.

Solunar Fishing Activity
🌒
Waxing Crescent
15% illumination
Poor
★ Moon overhead
9:31 AM
Moonrise
2:13 PM
Moonset
4:49 AM
★ Moon underfoot
9:31 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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