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, Colorado a hillside was set aside for the current townsite, which is now situated on the shoreline of Dillon Reservoir. Dillon is located at (39.627659, -106.044199). According to the United States Census Bureau, the town has a total area of , of which, of it is land and of it (35.71%) is water. Dillon Dam and its reservoir (Lake Dillon) are nearby. The continental divide is approximately east. According to the Köppen climate classification, Dillon has an alpine subarctic climate "(Dfc)". As of the census of 2000, there were 802 people, 369 households, and 195 families residing in the town. The