Massachusetts /

Lake Mattawa

Reservoir in Massachusetts · 120 acres · near Orange

Lake Mattawa has 1 boat ramp listed as public.

Motors: Up to 10 hp (for the whole water, per the boating rules map of Massachusetts Division of Fisheries and Wildlife (MassWildlife); check the posted rules before you go)

Boating rules

• There is a restriction on the size of the outboard motor (10 Hp. or less). · all of Lake Mattawa rule

From the boating rules map of Massachusetts Division of Fisheries and Wildlife (MassWildlife), read October 18, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.

Depth contours in feet from MassWildlife; deepest point about 35 ft. Lake levels and bottoms change; not for navigation.

Launches

• Lake Mattawa Boat Launch · Boat ramp · near Orange