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Around Lesser Slave River
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Source: Canadian Geographical Names Database (NRCan), Open Government Licence - Canada
About this river
Lesser Slave River is a 49.0 mile river. Streamflow is measured at the Water Survey of Canada gauge Lesser Slave River at Slave Lake (site 07BK001). Reach geometry comes from Natural Resources Canada's National Hydro Network.
Typical flow by month
1915 to 2025
Lesser Slave River typically runs highest in July, at a median 1,888 cfs, and lowest in February, at 793 cfs. The highest flow on record for any single day is 8,476 cfs, in 1935.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 842 | 557 to 1,261 |
| February | 793 | 570 to 1,258 |
| March | 803 | 588 to 1,314 |
| April | 911 | 662 to 1,315 |
| May | 1,370 | 932 to 1,960 |
| June | 1,752 | 1,201 to 2,337 |
| July | 1,888 | 1,315 to 2,546 |
| August | 1,771 | 1,270 to 2,388 |
| September | 1,575 | 1,065 to 2,202 |
| October | 1,407 | 908 to 1,951 |
| November | 1,091 | 669 to 1,642 |
| December | 879 | 590 to 1,409 |
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 61 years of record. Statistics published by the US Geological Survey for Lesser Slave River at Slave Lake (site 07BK001). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
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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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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Lesser Slave River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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