Lake Hobart
General data
- Name: Lake Hobart
- Water system: Atchafalaya River
- Water type: Artificial lake
- Progression: Little Elk Creek -> Elk Creek (North Fork Red River tributary) -> North Fork Red River -> Red River of the South -> Atchafalaya River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Temperate, Temperate
- Continents: North America, North America
- Countries: United States of America, United States of America
Lake Hobart, also known as Rocky Lake, is a reservoir in Washita County. The reservoir was created as part of the Washita Basin Project in the 1950s, to improve water supply in the area by constructing a dam across Little Elk Creek. It is popular with fisherman and boaters. The earthen dam is 8.8 m high and 590 m long. The surface area is 1,400,000 m2, normal capacity is 4210 acre-feet and the maximum capacity is 6340 acre feet. The maximum discharge is 53600 cubic feet per second.