COWLITZ RIVER AT CASTLE ROCK, WA
USGSWashington (46.27483, -122.91456) · View on map
Current reading
3,960 CFS
Gauge height: 33.66 FT
Read 23 minutes ago · Oct 21, 2026 11:30 AM PDT
Flow history — last 6 days
No readings recorded in the last 6 days.
Runs on this gauge
No runs currently read this gauge.