| View KML View WKT | United States Rivers |
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Boulder Creek
| States | Colorado |
| Length | 31.5 miles |
| Watershed Length* | 170 miles |
| Mouth | Saint Vrain Creek ⤏ Gulf of Mexico |
| GNIS | 178354 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Coal Creek | 7 | 36 | 52 |
| Fourmile Creek | 25 | 15 | 15 |
| Middle Boulder Creek | 32 | 14 | 14 |
| North Boulder Creek | 32 | 18 | 18 |
| South Boulder Creek | 18 | 40 | 40 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey