Firehole River at Old Faithful, YNP
USGSWyoming (44.45966, -110.82243) · View on map
Current reading
44.2 CFS
Gauge height: 2.49 FT
Read 43 minutes ago · Oct 10, 2026 6:00 PM MDT
Flow history — last 6 days
No readings recorded in the last 6 days.
Runs on this gauge
No runs currently read this gauge.