Lake Estes, formed by Olympus Dam, is located just east of downtown Estes Park, CO. The lake plays an important role in the Colorado-Big Thompson Project power system.
Lake Estes acts as an afterbay for the Estes Power Plant, and it controls the flow of water into the Olympus Siphon on its way to the Pole Hill Power Plant.
Lake is a Popular Recreational Site Lake Estes is a popular recreational site. A multiuse trail encircles the lake and begins/ends at the Estes Park Convention and Visitors Center.
The lake also offers boat rentals, a boat launch and bicycle rentals from the Lake Estes Marina. See the C-BT Recreation - East Slope page for more information.
4-mile Shoreline Lake Estes has a capacity of 3,068 acre-feet of water, 4 miles of shoreline, 185 surface acres and a maximum depth of 45 feet.
Construction on Lake Estes and Olympus Dam began in the summer of 1947, and the lake began filling in November 1948. Construction of the lake and dam cost $2.4 million.