Blackstone River
Providence Co. · 48 mi · Class I–II
751CFS/ 2.60 ft
Optimal→Stable
Optimal: 200–1200 CFS · USGS #01112500
Length
Difficulty
Optimal
Avg Flow
Hist. Median
USGS Gauge
Blackstone River Valley National Historical Park · Blackstone Heritage Corridor
The birthplace of the American Industrial Revolution. The Blackstone flows 48 miles from Worcester, MA to Narragansett Bay, past the historic Slater Mill where Samuel Slater launched American textile manufacturing in 1793. The Blackstone Valley National Heritage Corridor preserves this industrial landscape for paddlers and historians alike.
Trip sections
Woonsocket to Central Falls — Class I–II, mill corridor
Central Falls to Narragansett Bay — Class I, tidal approach
Outfitters
Blackstone Valley Tourism Council
Paddle guides and river access information
Blackstone Valley Paddle Club
Group trips and community paddles
72-Hour Flow Forecast
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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.