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Green River in Massachusetts

Stream3.6 mi
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Around here

Around Green River

0.5 mi

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

About this river

Green River is a 3.6 mile stream. Streamflow is measured at the USGS gauge Green River near Great Barrington, MA (site 01198000). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1952 to 2026

Green River typically runs highest in April, at a median 160 cfs, and lowest in September, at 11 cfs. The highest flow on record for any single day is 3,160 cfs, in 2011.

Show the numbers
Typical flow by month at Green River near Great Barrington, MA, in cfs
MonthTypical (cfs)Usual range (cfs)
January6941 to 121
February6342 to 96
March11581 to 191
April160103 to 254
May8959 to 140
June3925 to 65
July159.7 to 34
August127.6 to 30
September116.0 to 30
October199.8 to 46
November5420 to 107
December8547 to 137

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 41 years of record. Statistics published by the US Geological Survey for Green River near Great Barrington, MA (site 01198000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

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