River OR

Williamson River

Oregon • 42.5473, -121.8834
Length
76 mi
123 km
Elevation
5,042′ → 4,140′
902 ft drop
Stream Order
6
Large River
Slope
0.22%
11.8 ft/mi
Drainage
2,040 mi²
5,283 km²
Avg Flow
821 cfs
1.4 mph velocity
Path to Mouth
73 mi
117 km to ocean
Classification
Headwater
Source Stream
Elevation Profile
Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Data from USGS & NOAA for informational purposes only. More

Water Level Gauges on Williamson River

There are 2 USGS water level monitoring stations on Williamson River providing real-time flow and stage data.

Access Sites on Williamson River

There are 4 boat ramps, launches, and public access points on Williamson River.