Humptulips River River Levels

Last Updated: December 4, 2025

The Humptulips River is a 45-mile-long river located in the Olympic Peninsula of 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 Humptulips River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Humptulips 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
Humptulips River Below Hwy 101 Nr Humptulips
USGS 12039005
783 cfs 10.98 ft 2.22
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Humptulips River is a river in Grays Harbor County, Washington, in the United States. Its main tributaries are the East Fork Humptulips River, about 20 miles (32 km) long (32 km), and West Fork Humptulips River, about 30 miles (48 km) long (48 km). After the forks join, the main river is approximately 20 miles (32 km) long.
The Humptulips has a drainage basin of 276 square miles (710 km2). The river's average discharge is 1,344 cu ft/s (38.1 m3/s), with a maximum recorded discharge of 37,500 cu ft/s (1,060 m3/s), in November, 2006, and a minimum of 82 cu ft/s (2.3 m3/s), in September, 1944.
Variant names, according to the United States Geological Survey (USGS), include Hum-tu-lups, Humptolups, Humtutup, and Um-ta-lah. The name comes from the Humptulips Indians, part of the Chehalis tribe. Some sources say the word "humptulips" means "hard to pole" while others say it means "chilly region".