Around here
Around Prospect Creek
Camping9
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Prospect Creek is an 18.8 mile river. Streamflow is measured at the USGS gauge Prospect Creek at Thompson Falls MT (site 12390700). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1957 to 2026
Prospect Creek typically runs highest in May, at a median 686 cfs, and lowest in November, at 48 cfs. The highest flow on record for any single day is 4,960 cfs, in 1974.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 71 | 47 to 131 |
| February | 93 | 59 to 153 |
| March | 161 | 101 to 272 |
| April | 401 | 268 to 595 |
| May | 686 | 484 to 964 |
| June | 391 | 236 to 646 |
| July | 126 | 99 to 172 |
| August | 80 | 65 to 91 |
| September | 61 | 47 to 68 |
| October | 50 | 39 to 56 |
| November | 48 | 39 to 55 |
| December | 58 | 43 to 112 |
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 69 years of record. Statistics published by the US Geological Survey for Prospect Creek at Thompson Falls MT (site 12390700). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Prospect Creek 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 Prospect Creek'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.
