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Housatonic River in Massachusetts

River36.5 mi
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Around here

Around Housatonic River

Copake Camping Resort12.1 miLaurel Ridge Campground16.8 mi20 mi

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

About this river

Housatonic River is a 36.5 mile river. Streamflow is measured at the USGS gauge Housatonic River near Ashley Falls, MA (site 01198125). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1994 to 2026

Housatonic River typically runs highest in April, at a median 1,350 cfs, and lowest in September, at 214 cfs. The highest flow on record for any single day is 9,920 cfs, in 2011.

Show the numbers
Typical flow by month at Housatonic River near Ashley Falls, MA, in cfs
MonthTypical (cfs)Usual range (cfs)
January881640 to 1,420
February717525 to 1,060
March1,200815 to 1,890
April1,350974 to 1,985
May788578 to 1,150
June479324 to 861
July303193 to 856
August268150 to 625
September214114 to 536
October372204 to 869
November676453 to 997
December971605 to 1,480

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 21 years of record. Statistics published by the US Geological Survey for Housatonic River near Ashley Falls, MA (site 01198125). 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 Housatonic River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

  • MarinaAtlantic Ocean/Long Island SoundPublic
  • Housatonic RiverHousatonic RiverPublic
  • Lake HousatonicLake HousatonicPublic
  • Lake ZoarLake ZoarPublic
  • Lake Lillinonah (Pond Brook)Lake LillinonahPublic
  • Lake LillinonahLake LillinonahPublic
  • Bantam LakeBantam LakePublic
  • Mohawk PondMohawk PondPublic

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