San Mateo Creek (San Francisco Bay Area)

San Mateo Creek
Arroyo De San Mateo,
Arroyo De San Matheo
San Mateo Creek just downstream of Gateway Park, where the creek passes under the intersection of Third and Humboldt (Aug 2018)
Location of the mouth of San Mateo Creek in California
EtymologySaint Matthew
Location
CountryUnited States
StateCalifornia
RegionSan Francisco Peninsula
CountySan Mateo County
CitiesHillsborough, San Mateo
Physical characteristics
Source 
  coordinates37°35′35″N 122°26′59″W / 37.59306°N 122.44972°W / 37.59306; -122.44972
  elevation1,000 ft (300 m)
Mouth 
  coordinates
37°34′30″N 122°18′17″W / 37.57500°N 122.30472°W / 37.57500; -122.30472
  elevation
7 ft (2.1 m)
Length12 mi (19 km)
Discharge 
  locationSan Francisco Bay
Basin features
Tributaries 
  leftSan Andreas Creek
  rightLaguna Creek, Polhemus Creek

San Mateo Creek (Spanish for: St. Matthew Creek) is a perennial stream whose watershed includes Crystal Springs Reservoir, for which it is the only natural outlet after passing Crystal Springs Dam.