Similkameen River River Levels

Last Updated: December 4, 2025

The Similkameen River is a 197-kilometer long river that flows through southern British Columbia and northern Washington State.


Summary

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Similkameen River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Similkameen River, the highest being situated at an altitude of ft, the .

       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Similkameen River Near Nighthawk
USGS 12442500
927 cfs 3.31 ft -3.94
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Similkameen River runs through southern British Columbia, Canada, eventually discharging into the Okanagan River near Oroville, Washington, in the United States. The river is about 197 km (122 mi) long, with a drainage basin area of 7,600 km2 (2,900 sq mi). The river is said to be named for an indigenous people called , meaning "treacherous waters".