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Flanagan River in Ontario

River39.7 mi
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Around here

Around Flanagan River

5 mi

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Source: Canadian Geographical Names Database (NRCan), Open Government Licence - Canada

About this river

Flanagan River is a 39.7 mile river. Streamflow is measured at the Water Survey of Canada gauge Flanagan River at Outlet of North Spirit Lake (site 04CA005). Reach geometry comes from Natural Resources Canada's National Hydro Network.

Typical flow by month

2012 to 2025

Flanagan River typically runs highest in June, at a median 987 cfs, and lowest in April, at 142 cfs. The highest flow on record for any single day is 4,732 cfs, in 2022.

Show the numbers
Typical flow by month at Flanagan River at Outlet of North Spirit Lake, in cfs
MonthTypical (cfs)Usual range (cfs)
January273209 to 381
February209172 to 248
March163130 to 179
April142111 to 154
May879547 to 1,180
June987785 to 1,480
July614473 to 1,139
August484341 to 776
September489316 to 782
October549291 to 707
November599279 to 768
December431279 to 620

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 14 years of record. Statistics published by the US Geological Survey for Flanagan River at Outlet of North Spirit Lake (site 04CA005). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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