Quinnipiac River
New Haven Co. · 38 mi · Class I
172CFS/ 3.35 ft
Optimal
Stable
Optimal: 100–600 CFS · USGS #01196500
Flow data is live from USGS·Rapid classifications and CFS ranges need community verification·Know this river?
38 mi
Length
Class I
Difficulty
100–600 cfs
Optimal
320 cfs
Avg Flow
288 cfs
Hist. Median
#01196500
USGS Gauge
Quinnipiac River Linear Trail · Sleeping Giant State Park

Central Connecticut's urban-to-wild river flows 38 miles from the Hanging Hills of Meriden past Sleeping Giant State Park to New Haven Harbor. The Quinnipiac has undergone a remarkable environmental recovery — once severely polluted, it now supports paddling, fishing, and wildlife viewing through an increasingly green corridor. Sleeping Giant's traprock ridge towers above the river.

Trip sections
Meriden to Wallingford — Class I, upper valley
Wallingford to North Haven — Class I, Sleeping Giant section
Outfitters
Quinnipiac River Watershed Association
Guided paddle events and river access info
72-Hour Flow Forecast
NOAA NWPS
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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.