| Pine Lake | |
|---|---|
| |
.jpg) Pine Lake in 2010 | |
  Pine Lake  Pine Lake | |
| Location | Pine Lake Park, San Francisco, California |
| Coordinates | 37°44′10″N 122°29′20″W / 37.7361888°N 122.4888264°W[1] |
| Basin countries | United States |
| Surface elevation | 13 m (43 ft) [1] |
Pine Lake, previously known as Laguna Puerca or Pig Lake, is a freshwater lake in Pine Lake Park in the southwest corner of San Francisco. The lake is fed from the same aquifer as nearby Lake Merced.[2]
The surrounding area and lake, then known as Laguna Puerca or Pig Lake, were purchased by the Greene family following their move from Maine to San Francisco in 1847.[3] The lake was purchased by the City of San Francisco in the five years following the nearby Sigmund Stern Recreation Grove.[3]
The lake is fed by an underground spring, which also feeds nearby Lake Merced.[3] It is surrounded by willows, tules, and aquatic plants.[3] Migratory birds along the Pacific Flyway stop to feed, rest, or inhabit the surrounding area.[3] The only natural freshwater lakes in San Francisco are Pine Lake, Lake Merced, and Mountain Lake.[4]
