Firehole River
| State | Wyoming |
| Gauge | Old Faithful |
| Gauge Location | 44.459700, -110.822000 |
Data Sources
| USGS — 06036805 | https://waterservices.usgs.gov/nwis/iv/?format=rdb&stateCd=mt&period=P1D¶meterCd=00060,00065,00010 |
| State | Wyoming |
| Gauge | Old Faithful |
| Gauge Location | 44.459700, -110.822000 |
| USGS — 06036805 | https://waterservices.usgs.gov/nwis/iv/?format=rdb&stateCd=mt&period=P1D¶meterCd=00060,00065,00010 |