Around here
Around Saint Louis Ditch
Temperature from a 1980 federal survey. The record says nothing about access, ownership or current conditions.
Before you go
- Timed entryRocky Mountain National Park Shuttle Tickets
- Timed entryRocky Mountain National Park Timed Entry
- PermitIndian Peaks Wilderness Large Group Day Use Permits
- PermitIndian Peaks Wilderness Overnight Permits: 3 Days in Advance
- PermitIndian Peaks Wilderness Overnight Permits: Full Season in Advance
Data Source: Recreation.gov · Source: USDA Forest Service · Source: USGS GNIS · Thermal springs: NOAA NCEI (1980) · 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
Saint Louis Ditch is a 4.0 mile canal near Colorado Adventure Center in Colorado. Streamflow is measured at the USGS gauge ST. Louis Creek near Fraser, CO (site 09026500). The mapped line runs from 39.9266, -105.8529 to 39.9782, -105.8423. The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1934 to 2026
Saint Louis Ditch typically runs highest in June, at a median 111 cfs, and lowest in February, at 5.8 cfs. The highest flow on record for any single day is 418 cfs, in 1995.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 6.2 | 5.1 to 7.8 |
| February | 5.8 | 4.8 to 7.2 |
| March | 5.9 | 4.9 to 7.5 |
| April | 7.9 | 6.2 to 9.8 |
| May | 25 | 16 to 39 |
| June | 111 | 43 to 184 |
| July | 36 | 21 to 65 |
| August | 16 | 13 to 24 |
| September | 12 | 8.9 to 18 |
| October | 8.7 | 6.5 to 15 |
| November | 7.5 | 6.1 to 11 |
| December | 6.6 | 5.4 to 8.8 |
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 91 years of record. Statistics published by the US Geological Survey for ST. Louis Creek near Fraser, CO. (site 09026500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Saint Louis Ditch 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 Saint Louis Ditch'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.
