River OR ID WA

Grande Ronde River

Oregon • 45.9858, -117.3628

Length

210 mi

338 km

Elevation

7,476′ → 821′

6,655 ft drop

Stream Order

8

Major River

Slope

0.60%

31.6 ft/mi

Drainage

4,067 mi²

10,533 km²

Avg Flow

-- cfs

2.8 mph velocity

Path to Mouth

702 mi

1,129 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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