| Type | Artificial lake and park |
| Built | 1870 |
| Location | San Francisco, California, USA |
| Initial purpose | Water and power supply |
| Present-day use | Recreation, tourism, and cultural attraction |
| Popular activities | Boating • running • picnicking • wildlife viewing |
| Cultural attractions | Oakland Museum of California • Children's Fairyland • Lakeside Park |
| Adjacent neighborhoods | Oakland • Chinatown • Uptown • Old Oakland |
| Eco-friendly initiatives | Wetland restoration • urban bird habitat • community garden |
