The Ontario Mine is a historic landmark located in Park City, Utah, USA. Established in 1872, the mine was active for several years during the mining boom period of the area. The mine is known for its contribution to the local economy and the development of Park City as a whole.

The Ontario Mine was one of the first major mining discoveries in Park City, with prospectors from Canada accidentally stumbling upon the outcropping. This discovery led to a significant increase in mining activities in the area, making it an essential part of the towns history and development. The mine is associated with the Park City Mining District, which is now part of the Wasatch National Forest. The Ontario Mine was also the site of one of the worst mining disasters in Park Citys history, with an explosion at the adjoining mine causing significant damage and loss of life.

Today, visitors to Park City can learn more about the towns mining past by visiting various historical sites, including the Ontario Mine and Silver King Mine. The Ontario Mine is a zinc and lead mine located in Summit County, Utah at an elevation of 7874 feet. In summary, the Ontario Mine holds significant importance in Park Citys history, playing a crucial role in the development of the town during its early mining days. It continues to serve as a fascinating historical landmark for both residents and visitors alike.