River OR WA

Willamette River

Oregon • 44.7821, -122.9846

Length

187 mi

301 km

Elevation

439′ → 6′

433 ft drop

Stream Order

Major River

Slope

0.04%

2.3 ft/mi

Drainage

11,001 mi²

28,493 km²

Avg Flow

-- cfs

3.0 mph velocity

Path to Mouth

285 mi

459 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

Monitor

Water Level Gauges on Willamette River

There are 14 USGS water level monitoring stations on Willamette River providing real-time flow and stage data.

There are 37 boat ramps, launches, and public access points on Willamette River.