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Speed River in Ontario

River41.2 mi
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Around here

Around Speed River

5 mi

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Source: Canadian Geographical Names Database (NRCan), Open Government Licence - Canada · Public land: USGS PAD-US

About this river

Speed River is a 41.2 mile river. Streamflow is measured at the Water Survey of Canada gauge Speed River below Guelph (site 02GA015). Reach geometry comes from Natural Resources Canada's National Hydro Network.

Typical flow by month

1950 to 2025

Speed River typically runs highest in April, at a median 388 cfs, and lowest in August, at 69 cfs. The highest flow on record for any single day is 4,591 cfs, in 1954.

Show the numbers
Typical flow by month at Speed River below Guelph, in cfs
MonthTypical (cfs)Usual range (cfs)
January13190 to 208
February13091 to 192
March270148 to 452
April388259 to 638
May199142 to 294
June10579 to 153
July7861 to 108
August6954 to 87
September6954 to 97
October8260 to 144
November12681 to 214
December14592 to 226

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 75 years of record. Statistics published by the US Geological Survey for Speed River below Guelph (site 02GA015). 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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