River OR WA

Nehalem River

Oregon • 45.6972, -123.8275

Length

154 mi

248 km

Elevation

2,077′ → 0′

2,077 ft drop

Stream Order

Large River

Slope

0.26%

13.5 ft/mi

Drainage

848 mi²

2,196 km²

Avg Flow

4,304 cfs

2.6 mph velocity

Path to Mouth

128 mi

206 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 Nehalem River

There are 4 USGS water level monitoring stations on Nehalem River providing real-time flow and stage data.

There are 5 boat ramps, launches, and public access points on Nehalem River.