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 Adventures in Advertising Gilford, NH Other Attractions B. Mae's Resort Inn & Suites Gilford, NH Businesses Golf Course At Bolduc Park, The Course Access: PublicHoles: 9Reserve Advance Tee Times: Gilford, NH Golf Courses Fay's Boat Yard Gilford, NH Other Attractions