San Dieguito River

32°58′23.01″N 117°14′57.57″W / 32.9730583°N 117.2493250°W / 32.9730583; -117.2493250

San Dieguito River
Rio San Bernardo
The San Dieguito River entering Lake Hodges
EtymologyLikely based on the name of San Diego River "ito" is the Spanish diminutive suffix for "little". Thus, Little San Diego River.
Location
CountryUnited States
StateCalifornia
RegionSouthern California
DistrictSan Diego County
MunicipalityDel Mar
Physical characteristics
SourceSanta Ysabel Creek
2nd sourceSanta Maria Creek
MouthPacific Ocean
  location
Del Mar
  elevation
0 ft (0 m)
Length24 mi (39 km), northeast-southwest
Basin size346 sq mi (900 km2)
Discharge 
  average50 cu ft/s (1.4 m3/s)
  minimum0 cu ft/s (0 m3/s)
  maximum72,100 cu ft/s (2,040 m3/s)
Basin features
Tributaries 
  leftSanta Maria Creek
  rightTemescal Creek, San Diego County|Temescal Creek

The San Dieguito River is a major river in Southern California, United States. Its headwaters rise on the southern slope of the Volcan Mountains in San Diego County, and the river flows generally southwest for 23.8 miles (38.3 km), draining 346 square miles (900 km2) before emptying into the Pacific Ocean 20 miles (32 km) north of San Diego.