Horn Pond is a 102-acre (41 ha) water body along the Aberjona River in Woburn, Massachusetts in the United States.^[2] The pond is fed by several brooks and flows out via Horn Pond Brook to the Aberjona River and the Mystic Lakes, eventually reaching the Mystic River and the Atlantic Ocean. It was also traversed by the Middlesex Canal from 1802 to 1860.

Horn Pond
USGS Topographical Map showing Horn Pond.
Horn Pond Show map of Massachusetts Horn Pond Show map of the United States
Location	Woburn, Massachusetts
Coordinates	42°28′11″N 71°09′23.1″W / 42.46972°N 71.156417°W / 42.46972; -71.156417
Type	Natural great pond
Primary inflows	Fowle Brook & Cummings Brook[1]
Primary outflows	Horn Pond Brook to Aberjona River
Basin countries	United States
Surface area	102 acres (0.2 sq mi)[2]
Average depth	10 ft (3.0 m)[2] Average transparency: 6 ft (1.8 m)[2]
Max. depth	40 ft (12.2 m)[2]
Surface elevation	139 ft (42.4 m)
Settlements	Woburn, Massachusetts

Yellow perch were the most common species recorded at Horn Pond in a 1982 survey, with additional species, including: largemouth bass, pumpkinseed, bluegill, killifish, chain pickerel, golden shiner, carp, white sucker, brook trout, yellow bullhead, brown bullhead and black crappie. Trout (primarily rainbows, but also browns and brookies) have been stocked in the past, with more fish and trout in the fall.^[2]