River CA

Napa River

California • 38.3053, -122.3053

Length

58 mi

93 km

Elevation

2,719′ → 1′

2,718 ft drop

Stream Order

6

Large River

Slope

0.89%

47.0 ft/mi

Drainage

393 mi²

1,018 km²

Avg Flow

379 cfs

1.3 mph velocity

Path to Mouth

56 mi

90 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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