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 Gunstock Mountain Resort and Recreation Area Gilford, NH Businesses Four Stroke Marine Gilford, NH Other Attractions DK Net Design Gilford, NH Other Attractions Paugus Bay Plaza Inn Gilford, NH Businesses