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Black River in New York

River62.1 mi

Around here

Around Black River

Adirondack Lakeside RV Park10.8 miFort Stanwix National Monument20.4 mi20 mi

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

About this river

Black River is a 62.1 mile river. Streamflow is measured at the USGS gauge Black River near Boonville NY (site 04252500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1911 to 2026

Black River typically runs highest in April, at a median 1,555 cfs, and lowest in August, at 229 cfs. The highest flow on record for any single day is 11,100 cfs, in 1985.

Show the numbers
Typical flow by month at Black River near Boonville NY, in cfs
MonthTypical (cfs)Usual range (cfs)
January490350 to 737
February450330 to 645
March754460 to 1,260
April1,5551,060 to 2,505
May776490 to 1,130
June395283 to 622
July277184 to 463
August229157 to 360
September260172 to 436
October410251 to 700
November631433 to 953
December560400 to 913

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 115 years of record. Statistics published by the US Geological Survey for Black River near Boonville NY (site 04252500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

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

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