|Location||Grafton County, New Hampshire|
|Primary outflows||Eastman Brook|
|Basin countries||United States|
|Max. length||1.7 mi (2.7 km)|
|Max. width||0.5 mi (0.80 km)|
|Surface area||334 acres (1.35 km2)|
|Average depth||28 ft (8.5 m)|
|Max. depth||66 ft (20 m)|
|Surface elevation||1,315 ft (401 m)|
Lake Tarleton is a 334-acre (1.35 km2) water body located in Grafton County on the western edge of the White Mountains in New Hampshire, United States. The lake is located in the towns of Piermont and Warren. Water from Lake Tarleton flows via Eastman Brook west to the Connecticut River.
Lake Tarleton State Park offers an unguarded swimming beach and opportunities for swimming, canoeing and fishing.
- "Lake Tarleton, Piermont, Warren" (PDF). NH Fish & Game. Retrieved September 5, 2014.