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 Inn at Smith Cove Gilford, NH Other Attractions Victorian House Gilford, NH Other Attractions Golf Course At Bolduc Park, The Course Access: PublicHoles: 9Reserve Advance Tee Times: Gilford, NH Golf Courses B. Mae's Resort Inn & Suites Gilford, NH Businesses