Illinois · Unknown Co.

Pecatonica River

· 95 mi · Class
Optimal: 525–1550 CFS · USGS #05435500
1,032 avg
4,450CFS
13.28 ft gauge height
Flood
→Stable(+40 in 3h)
⚡Flow data is live from USGS·Rapid classifications and CFS ranges need community verification·Know this river?
Avg flow: 1,032 cfsHist. median: 0 cfsUSGS #05435500
Designated Water Trail · State

The Pecatonica River originates in Wisconsin and enters Illinois in Stephenson County just north of Winslow. It flows in a southeasterly direction through eastern Stephenson County and western Winnebago County and enters the Rock River near Rockton. (Illinois DNR)

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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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