Around here
Around Sun River Slope Canal
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)
About this river
Sun River Slope Canal is a 10.2 mile stream. Streamflow is measured at the USGS gauge Sun River bl Willow Cr nr Augusta MT (site 06082200). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1968 to 2026
Sun River Slope Canal typically runs highest in June, at a median 968 cfs, and lowest in October, at 110 cfs. The highest flow on record for any single day is 11,500 cfs, in 2018.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 150 | 104 to 206 |
| February | 150 | 104 to 193 |
| March | 160 | 93 to 205 |
| April | 172 | 96 to 300 |
| May | 540 | 244 to 1,700 |
| June | 968 | 321 to 1,940 |
| July | 241 | 204 to 273 |
| August | 172 | 143 to 214 |
| September | 113 | 83 to 166 |
| October | 110 | 90 to 137 |
| November | 124 | 94 to 163 |
| December | 146 | 96 to 200 |
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 21 years of record. Statistics published by the US Geological Survey for Sun River bl Willow Cr nr Augusta MT (site 06082200). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Sun River Slope Canal on your wall
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.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Sun River Slope Canal's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
