Drift Reservoir is a reservoir in Cornwall, England, UK, just north of the village of Drift and west of Penzance. The reservoir is 1,200 yards (1,100 m) long and covers 65 acres (26 ha). The dam is at the southern end of the reservoir, and the northern end, splits into north-western and north-eastern shallow arms. It is currently managed, jointly by the South West Lakes Trust and South West Water. There is public access to the dam and parking area only.