River OR

Lake River

Oregon • 45.7634, -122.7380

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

14 mi

22 km

Elevation

11′ → 7′

4 ft drop

Stream Order

Medium River

Slope

0.01%

0.3 ft/mi

Drainage

223,689 mi²

579,351 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

99 mi

158 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Access Sites on Lake River

There are 1 boat ramps, launches, and public access points on Lake River.