Dillon Reservoir four ski-resorts. Arapahoe Basin is medium-sized resort that is approximately ten miles from the lake. Keystone Ski Resort is a large tourist destination that is located approximately five miles away. Breckenridge, which is one of the largest ski resorts in Colorado, is located approximately seven miles from Dillon Reservoir. Copper Mountain is located approximately eight miles from Dillon Reservoir. These resorts stay open all year round. The reservoir is also a center of attraction for the area. During the winter months, ice fishing and snowmobiling are common activities. For warmer months, the towns of Dillon and Frisco each have marinas
Dillon Beach, California Dillon Beach, California Dillon Beach is a census-designated place (CDP) in Marin County, California, United States. Dillon Beach is located west of Tomales, at an elevation of 89 feet (27 m). The population was 283 at the 2010 census. Dillon Beach was named after the founder, George Dillon, who settled there in 1858. The area includes a public access beach, as well as a private beach resort, the only private beach in California. Dillon Beach is located near the mouth of Tomales Bay, at . The Estero de San Antonio State Marine Recreational Management Area is a marine protected area