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Kimberley Fly Fishing Ltd

St. Mary River in British Columbia

River36.2 mi
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Around here

Around St. Mary River

5 mi

Source: Recreation Sites and Trails BC, Open Government Licence (British Columbia) · Source: Canadian Geographical Names Database (NRCan), Open Government Licence - Canada · Public land: USGS PAD-US

About this river

St. Mary River is a 36.2 mile river near Kimberley Fly Fishing Ltd in British Columbia. Streamflow is measured at the Water Survey of Canada gauge St. Mary River below Morris Creek (site 08NG077). Reach geometry comes from Natural Resources Canada's National Hydro Network.

Typical flow by month

1973 to 2026

St. Mary River typically runs highest in June, at a median 860 cfs, and lowest in February, at 34 cfs. The highest flow on record for any single day is 3,779 cfs, in 2013.

Show the numbers
Typical flow by month at St. Mary River below Morris Creek, in cfs
MonthTypical (cfs)Usual range (cfs)
January3929 to 50
February3427 to 42
March3930 to 46
April12161 to 173
May675494 to 985
June860643 to 1,127
July350253 to 579
August10683 to 152
September7755 to 115
October8455 to 125
November7552 to 110
December5540 to 69

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 53 years of record. Statistics published by the US Geological Survey for St. Mary River below Morris Creek (site 08NG077). 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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