About this river
Roaring Fork River is a 2.8 mile river near Twin Lakes Adventures in Colorado. Streamflow is measured at the USGS gauge Roaring Fork River above Lost Man CR near Aspen, CO (site 09072550). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1981 to 2026
Roaring Fork River typically runs highest in August, at a median 3.9 cfs, and lowest in January, at 0.0 cfs. The highest flow on record for any single day is 442 cfs, in 1985.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 0.0 | 0.0 to 0.3 | |
| February | 0.0 | 0.0 to 0.2 | |
| March | 0.0 | 0.0 to 0.3 | |
| April | 0.0 | 0.0 to 1.1 | |
| May | 0.0 | 0.0 to 0.1 | |
| June | 3.8 | 0.3 to 5.8 | |
| July | 3.9 | 3.5 to 5.4 | |
| August | 3.9 | 2.8 to 5.3 | |
| September | 3.3 | 2.5 to 5.5 | |
| October | 0.1 | 0.0 to 3.2 | |
| November | 0.1 | 0.0 to 2.1 | |
| December | 0.0 | 0.0 to 0.4 |
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 16 years of record. Statistics published by the US Geological Survey for Roaring Fork River above Lost Man CR near Aspen, CO (site 09072550). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Roaring Fork 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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