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Water from the Lake Hodges Reservoir services the customers of the Santa Fe Irrigation District and the San Dieguito Water District. The dam is 131 ft tall and 729 ft wide. [8] In 2005, the San Diego County Water Authority, in conjunction with the City of San Diego, began work on a pipeline to connect Hodges Reservoir with Olivenhain Reservoir.
Malakoff Diggins State Historic Park is a state park unit preserving Malakoff Diggins, the largest hydraulic mining site in California, United States. The mine was one of several hydraulic mining sites at the center of the 1882 landmark case Woodruff v. North Bloomfield Mining and Gravel Company. [2]
In 2005, Creighton mine produced an average of 3,755 tons of ore per day on a 6 days per week schedule. 2007 was a breakthrough in mining extraction and exploration, with the conformation of mineralization at depth, [18] which produced 793,000 tonnes of ore with grades of 1.62% copper and 2.8% nickel.
In 2016, the University of San Diego conducted soil sampling in the vicinity of the mine site. Some locations, including portions of the Miner's Ridge Loop trail revealed high levels of arsenic present. As of January 6, 2017 the San Diego City Attorney recommended closure of the lower sections of the trail pending further study.
The mining town of Picacho sat on this spot in the early 1900s. The remains of a stamp mill that was used to crush the gold ore during mining operations is a popular hiking destination. This section of the Colorado River is a popular stopover for migratory waterfowl - ducks, geese, ibis and cormorants - usually seen by the thousands in spring ...
The park includes the 6,512-foot (1,985 m) Cuyamaca Peak, the second-highest point in San Diego County. Park amenities include trails for hiking, horseback riding, and mountain biking, as well as campgrounds for family, group, equestrian, and primitive trail camping; and an exhibit at a former gold mine, the Stonewall Mine.
Agua Caliente is located about 110 miles (180 km) east of downtown San Diego. Spring water feed pools include an outdoor swimming pool, an outdoor wading pool for children, and an indoor 102 °F (39 °C) therapeutic spa. [3] Site amenities include a caravan area, full and partial hookup RV sites, non-hookup sites, tent camping, and cabins.
The mountain backcountry of San Diego County is high enough to receive snowfall in winter months, and the Mount Laguna region offers locally-unique winter recreation in the form of snow play, sledding, and cross country skiing for several days after larger storms. [5] The population was 74 at the 2020 census [6], up from 57 at the 2010 census.