Ellacoya State Park Ellacoya State Park is located in Gilford on the southwest shore of Lake Winnipesaukee, New Hampshire's largest lake. The 600 Gilford, NH State Parks Waters Edge on Varney Point Gilford, NH Other Attractions Adventures in Advertising Gilford, NH Other Attractions Four Stroke Marine Gilford, NH Other Attractions Town of Gilford Gilford, NH Other Attractions