River WA

Sammamish River

Washington • 47.7543, -122.2506

Length

14 mi

22 km

Elevation

29′ → 16′

13 ft drop

Stream Order

6

Large River

Slope

0.02%

1.0 ft/mi

Drainage

243 mi²

631 km²

Avg Flow

450 cfs

1.3 mph velocity

Path to Mouth

30 mi

48 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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