Mono County is located in the eastern Sierra Nevada, on the Nevada border, bordering Alpine, Tuolumne, Mariposa, Madera, and Inyo counties. The main highway through the county is US Route 395.
The county has a total area of 3,131 square miles and is home to a population of approximately 14,000 people, making it the fourth least populated county in the state. The county seat is the town of Bridgeport, which is located in the western part of the county. Other major towns and cities in Mono County include it's only incorporated town Mammoth Lakes, Lee Vining, and June Lake.
Mono County is known for its diverse geography and extreme geology. It is home to many landmarks and natural features, including Mammoth Lakes, Mono Lake, and the Mono Basin National Scenic Area. The county is on the ancestral lands of the Mono people, an indigenous group who have lived in the area for thousands of years.
Commercial cannabis is legal in Mono County, although it's extreme climate, small population, and isolation only supports a tiny industry with a handful of cultivators and retailers.