Gualala River

Gualala River
The Gualala River near its mouth
Location of the mouth of the Gualala River in California
Location
CountryUnited States
StateCalifornia
RegionSonoma County, Mendocino County
CityGualala, California
Physical characteristics
SourceSouth Fork Gualala River
 • locationMohrhardt Ridge
 • coordinates38°34′17″N 123°10′3″W / 38.57139°N 123.16750°W / 38.57139; -123.16750
 • elevation1,880 ft (570 m)
2nd sourceNorth Fork/Billings Creek
 • locationSnook Mountain
 • coordinates38°50′46″N 123°19′56″W / 38.84611°N 123.33222°W / 38.84611; -123.33222
 • elevation1,840 ft (560 m)
Source confluenceconfluence
 • location2 mi (3 km) northeast of Gualala, California
 • coordinates38°46′42″N 123°29′56″W / 38.77833°N 123.49889°W / 38.77833; -123.49889
 • elevation23 ft (7.0 m)
MouthPacific Ocean
 • location
west of Gualala, California
 • coordinates
38°46′7″N 123°32′2″W / 38.76861°N 123.53389°W / 38.76861; -123.53389
 • elevation
0 ft (0 m)
Length3.4 mi (5.5 km)confluence to mouth
Basin size298 sq mi (770 km2)

The Gualala River is a river on the northern coast of California. Most of the river is in Sonoma County, but a portion is in Mendocino County. The headwaters of the 40-mile-long (64 km) river (measuring via its South Fork) are high in the Coast Range, and it empties into the Pacific Ocean. For its last few miles, it forms the boundary between Sonoma County and Mendocino County.