Lamberton Lake is a 28.5-acre (115,000 m2) freshwater lake located in Kent County in Western Michigan. The lake is approximately 1,700 feet (520 m) long and 1,040 feet (320 m) wide and is centered at 43°01′N 85°38′W / 43.02°N 85.63°W just within the city limits in northeast Grand Rapids. The surface elevation is 650 feet (200 m), and most of the lake is less than 15 feet (4.6 m) deep. There is one island in the lake, approximately 160 feet (49 m) long and 70 feet (21 m) wide, located in the northwest part of the lake. A low ridge runs along the east side of the lake and overlooks it.