River WA OR

Umatilla River Above Meacham Creek

Washington • 45.6667, -118.7167

Length

89 mi

144 km

Elevation

2,326′ → 268′

2,058 ft drop

Stream Order

7

Large River

Slope

0.44%

23.1 ft/mi

Drainage

2,117 mi²

5,483 km²

Avg Flow

809 cfs

2.5 mph velocity

Path to Mouth

377 mi

607 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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