Ideal for a variety of water sports Northwood Lake, is a long, narrow lake located in southeastern New Hampshire at 43 degrees 13 north latitude, 71 degrees 15 west longitude. It lies primarily in the town of Northwood, with lesser portions in Epsom and Deerfield. It is situated approximately 18 miles east of the capital city of Concord, and has approximately 2 miles of shoreline on Route 4, the major east-west highway between the capital city area and the State University, seashore, and State of Maine. It is a natural lake, raised by damming, having a surface area of 258.9 ha. (639.8 ac.), a maximum depth of 7.6 m. (25 ft.), a mean depth of 3.7 m. (12 ft.), and a volume of 9,628,000 m3 (2543 million gallons) at full pool. The lake is lowered 5 feet from mid-November to mid-March, at which time the western fifth of the lake (outlet end) is reduced to a meandering stream.