Webster Lake is a 606-acre (2.45 km²) water body in West Franklin, a village of Franklin in Merrimack County in the central portion of the U.S. state of New Hampshire. Water from Webster Lake flows to the Pemigewasset River shortly above its confluence with the Winnipesaukee River to form the Merrimack.

Webster Lake
Webster Lake Show map of New Hampshire Webster Lake Show map of the United States
Location	Merrimack County, New Hampshire
Coordinates	43°28′10″N 71°41′11″W / 43.46944°N 71.68639°W / 43.46944; -71.68639
Primary inflows	Sucker Brook
Primary outflows	Chance Pond Brook
Basin countries	United States
Max. length	1.7 mi (2.7 km)
Max. width	1.0 mi (1.6 km)
Surface area	606 acres (2.45 km2)
Average depth	18 ft (5.5 m)
Max. depth	39 ft (12 m)
Surface elevation	400 ft (120 m)
Settlements	Franklin

Webster Lake has two public beaches operated by the city of Franklin, one on either side of the lake.^[1] Webster Lake is surrounded by forests, and roads follow most of the lakeshore, allowing frequent views. There is boating access adjacent to Lagace Beach on New Hampshire Route 11.

The lake is classified as a warmwater fishery, with observed species including rainbow trout, brown trout, smallmouth and largemouth bass, chain pickerel, horned pout, and white perch.^[2]