Pleasant Lake (New London)
Pleasant Lake is a 606-acre (2.5 km2) lake located in Merrimack County in central New Hampshire, United States, in the town of New London. The village of Elkins is located at the east end of the lake, next to its outlet. Water from Pleasant Lake flows east to the Blackwater River, a tributary of the Contoocook River and ultimately the Merrimack River.