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

Data from USGS & NOAA for informational purposes only. More

Monitor

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.