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Maine Boat Rental

Kennebec River near Winslow, ME

River33.1 mi

Around here

Around Kennebec River

Carlton Pond Waterfowl Production Ar…19.8 mi10 mi

Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US

About this river

Kennebec River is a 33.1 mile river near Maine Boat Rental in Maine. Streamflow is measured at the USGS gauge Kennebec River at North Sidney, Maine (site 01049265). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1979 to 2026

Kennebec River typically runs highest in April, at a median 17,150 cfs, and lowest in August, at 4,210 cfs. The highest flow on record for any single day is 186,000 cfs, in 1987.

Show the numbers
Typical flow by month at Kennebec River at North Sidney, Maine, in cfs
MonthTypical (cfs)Usual range (cfs)
January7,2505,210 to 9,620
February7,0605,310 to 8,750
March9,8006,140 to 13,500
April17,15012,400 to 28,250
May9,9306,650 to 16,200
June6,4404,435 to 10,200
July4,5403,710 to 6,200
August4,2103,000 to 5,740
September4,5603,585 to 5,820
October5,3203,910 to 8,130
November7,9304,455 to 12,300
December7,5705,300 to 12,400

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 40 years of record. Statistics published by the US Geological Survey for Kennebec River at North Sidney, Maine (site 01049265). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

7 mapped launches sit in the mapped area of Kennebec River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

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