John Martin Reservoir State Park

John Martin Reservoir State Park is a state park in Colorado. It contains John Martin Reservoir, which is the second largest body of water in Colorado by capacity. It is also known for being a prime birdwatching location. Bent County, Colorado has been documented to have over 400 different species of birds. The namesake reservoir of the park is created by a 118 ft and 2.6 mi, which goes by the name of John Martin Dam.

Colorado Parks and Wildlife officials released thirty black-footed ferrets into a prairie dog colony in the nearby Southern Planes Preserve in 2022.

Climate
According to the Köppen Climate Classification system, John Martin Dam has a cold semi-arid climate, abbreviated "BSk" on climate maps. The hottest temperature recorded at John Martin Dam was 115 F on July 20, 2019, while the coldest temperature recorded was -27 F on January 30, 1949, January 18–19, 1984 and February 15, 2021. The 115 F reading is the highest reliably measured temperature ever recorded in the state of Colorado.