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
Horseshoe Lake State Park Horseshoe Lake State Park Horseshoe Lake State Park is an Illinois state park in Madison County, Illinois, United States. It is approximately and surrounds a large horseshoe shaped lake called Horseshoe Lake. Horseshoe Lake is the second largest natural lake in Illinois taking up approximately of the park. The park has connections to Madison County Transit's Schoolhouse Trail, which connects to over of bike trail in Madison County, and even a trail which goes all of the way to downtown St. Louis after crossing the Mississippi River on the Chain of Rocks Bridge. The park is located in southeastern Granite