Boulder River (Yellowstone)
River Profile
38 miLoading map...
30-Day Flow History
Forecast
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Sign in| Segment | Miles | River Mile | CFS | Status | Float Est. | Rapids |
|---|---|---|---|---|---|---|
Boulder Forks FAS → Big Rock FAS | 14.9 | RM 12.7 – 27.6 | — | — | 4:15hrs | — |
Basin Snowpack
- East Boulder Mine6,310 ft--%--
- Placer Basin8,790 ft--%--
- Box Canyon6,720 ft--%--
- Monument Peak8,740 ft--%--
- Mill Creek7,420 ft--%--
- S Fork Shields8,090 ft--%--
Quick Facts
- Total Length
- 38 miles
- Gauge Stations
- 3
- Segments
- 3
- Access Sites
- 2
Elevation Profile
Elevation data not yet available for this river.
Boat Ramps & Access
- RM 13Hand launchMontana Fish, Wildlife & Parks
- RM 28Hand launchMontana Fish, Wildlife & Parks
Current Hatches
No hatch calendar on file for this river yet.
Recommended Flies — Early November
No recommended flies on file for this river yet.
- Boulder Forks FAS → Big Rock FAS14.9 mi----:--hrs:min
Regulations & Alerts
Spring Runoff Advisory
Water levels rising due to snowmelt. Exercise caution on all sections.
Browns Canyon National Monument
Special management area. No motorized boats permitted.
Catch & Release
Browns Canyon section: catch & release only for all trout species.
Bag & Possession Limits
Standard CO regulations: 4 trout per day, only 1 over 16".
Shuttle Distances
Boulder Forks FAS→Big Rock FAS
14.9 mi
river miles (driving distance varies)
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