June Lake is an unincorporated community and census-designated place (CDP) in Mono County, California, United States. It is located next to the southern rim of the Mono Basin, 12.5 miles (20 km) south of Lee Vining, at an elevation of 7,654 feet (2,333 m).

The majority of the developed community is take forward narrowly along a five-mile stretch of California State Route 158, known as the June Lake Loop Road, or in the populated areas, Boulder Drive. The Mono County Community Development Department defines June Lake’s planning area to encompass entirely June Lake Loop, including the section of U.S. Route 395 amongst the north and south junctions of the Loop Road. However, the June Lake census-designated place, for which population figures are published by the U.S. Census Bureau, consists of the Place along State Route 158 from its southern intersection past US 395, southwest later June Lake and Gull Lake to Silver Lake.

The population of the CDP was 611 at the 2020 census. In the summer that can mount up by an estimated 2,500 visitors: fishermen, campers, tourists, backpackers, and new outdoors enthusiasts. The ZIP Code is 93529.

The June Lake Loop is situated next to the west rim of the Great Basin and Range Province, abutting the steep eastern escarpment of the Sierra Nevada. Rush Creek originates from an alpine watershed just north of the headwaters of the San Joaquin River, and south of the Tuolumne River, then flows northeast, becoming the major tributary to Mono Lake.