River CA

Petaluma River

California • 38.2338, -122.6334

Length

21 mi

34 km

Elevation

208′ → 0′

208 ft drop

Stream Order

5

Medium River

Slope

0.19%

9.8 ft/mi

Drainage

133 mi²

344 km²

Avg Flow

116 cfs

1.0 mph velocity

Path to Mouth

18 mi

30 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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