Canobie Lake is a 375-acre (1.52 km²) body of water located in Rockingham County in southern New Hampshire, United States, in the towns of Salem and Windham. It is approximately 1.5 miles (2.4 km) long, and on average 0.4 miles (0.64 km) wide, though two arms of the lake combine to produce a width of 1 mile (1.6 km) at the lake's center. Canobie Lake Park, an amusement park, is located on the lake's east shore.