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 Joyce Endee Productions Gilford, NH Other Attractions Town of Gilford Gilford, NH Other Attractions Lakes Region Kennel Club NH nonprofit 501c(4) Gilford, NH Other Attractions Four Stroke Marine Gilford, NH Other Attractions