Dillon Reservoir Dillon Reservoir Dillon Reservoir, sometimes referred to as Lake Dillon, is a large fresh water reservoir located in Summit County, Colorado, south of I-70 and bordered by the towns of Frisco, Silverthorne, and Dillon. It is a reservoir for the city of Denver, and its waters are under the control of Denver Water. Popular ski areas are close to the reservoir, including Copper Mountain, Keystone, Arapahoe Basin, and Breckenridge. In 1859, a large party of gold-seekers led by Ruben Spalding discovered gold near the headwaters of the Blue River, which prompted a population surge in Summit County, Colorado. By October
Lake George State Forest the Mary Farms and Dexter Tracts, which encompasses land between the St. Johns River to the west, and Barberville, US 17, and De Leon Springs State Park to the east, and south to the banks of Lake Dexter, Spring Garden Creek, and the Lake Woodruff National Wildlife Refuge. Lake George State Forest should not be confused with the Lake George Forest, a separate property to the immediate north which is jointly owned by Volusia County and the St. Johns River Water Management District ("SJRWMD"), or the Lake George Conservation Area, a site owned by the SJRWMD. Prior to European settlement,