River WA

Hamma Hamma River

Washington • 47.5465, -123.0582
Length
18 mi
29 km
Elevation
3,756′ → 9′
3,747 ft drop
Stream Order
6
Large River
Slope
3.98%
210.3 ft/mi
Drainage
84 mi²
217 km²
Avg Flow
547 cfs
1.7 mph velocity
Path to Mouth
18 mi
28 km to ocean
Classification
Headwater
Source Stream
Elevation Profile
Data from USGS & NOAA for informational purposes only. More

Water Level Gauges on Hamma Hamma River

There are 1 USGS water level monitoring stations on Hamma Hamma River providing real-time flow and stage data.

Access Sites on Hamma Hamma River

There are 7 boat ramps, launches, and public access points on Hamma Hamma River.