Fort Meadow Reservoir is a 260-acre lake in between the town of Hudson and city of Marlborough, Massachusetts, United States.

Amory Maynard, the founder of Maynard, Massachusetts, originally operated a saw mill on the channel leading into Fort Meadow Reservoir before the City of Boston acquired his water rights.

[1] The Fort Meadow Reservoir ends at the borders of Hudson and Marlborough.

The lake consists of a primary and secondary basin, separated by a narrows near the center of the two.

Motorized boating is allowed, making it a popular local destination for recreation.