Foresta is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Mariposa County

Mariposa County, California

Mariposa County is a county in the U.S. state of California, located in the western foothills of the Sierra Nevada mountains. It lies north of Fresno, east of Merced, and southeast of Stockton. As of the 2010 census, the population was 18,251 up from 17,130 at the 2000 census...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, to the immediate west of Yosemite National Park

Yosemite National Park

Yosemite National Park is a United States National Park spanning eastern portions of Tuolumne, Mariposa and Madera counties in east central California, United States. The park covers an area of and reaches across the western slopes of the Sierra Nevada mountain chain...

's west boundary. It is located 2.25 miles (3.6 km) northeast of El Portal

El Portal, California

El Portal is a census-designated place in Mariposa County, California. It is located west-southwest of Yosemite Village, at an elevation of 1939 feet . The population was 474 at the 2010 census....

, at an elevation of 4314 feet (1315 m).

The name comes from the Foresta Land Company, founded by A.B. Davis in 1913. Davis built a resort at Foresta but abandoned it.

The Opim post office operated there from 1882 to 1884.