River AK

Twentymile River

Alaska • 60.8460, -148.9890

Length

22 mi

36 km

Elevation

3,406′ → 3′

3,403 ft drop

Stream Order

5

Medium River

Slope

2.89%

152.7 ft/mi

Drainage

165 mi²

428 km²

Avg Flow

10 cfs

1.1 mph velocity

Path to Mouth

22 mi

35 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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