Firehole River at Old Faithful, YNP
USGSWyoming (44.45966, -110.82243) · View on map
Current reading
36.6 CFS
Gauge height: 2.46 FT
Read about 1 hour ago · Aug 25, 2026 3:00 AM MDT
Flow history — last 6 days
No readings recorded in the last 6 days.
Runs on this gauge
No runs currently read this gauge.