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Ellis River in Maine

River22.9 mi

Around here

Around Ellis River

Lone Mountain Riverfront Campground7.6 mi2 mi

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

About this river

Ellis River is a 22.9 mile river. Streamflow is measured at the USGS gauge Ellis River at South Andover, Maine (site 01054300). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1963 to 2026

Ellis River typically runs highest in April, at a median 621 cfs, and lowest in September, at 41 cfs. The highest flow on record for any single day is 7,030 cfs, in 2024.

Show the numbers
Typical flow by month at Ellis River at South Andover, Maine, in cfs
MonthTypical (cfs)Usual range (cfs)
January12376 to 182
February9263 to 141
March16194 to 304
April621414 to 1,090
May357234 to 612
June14483 to 278
July7847 to 133
August4428 to 103
September4125 to 75
October9540 to 187
November160102 to 304
December168108 to 298

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 45 years of record. Statistics published by the US Geological Survey for Ellis River at South Andover, Maine (site 01054300). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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