River OR

South Fork Alsea River

Oregon • 44.3063, -123.4936

Length

20 mi

32 km

Elevation

1,636′ → 269′

1,366 ft drop

Stream Order

7

Large River

Slope

1.32%

69.5 ft/mi

Drainage

63 mi²

163 km²

Avg Flow

206 cfs

1.2 mph velocity

Path to Mouth

67 mi

108 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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