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 William H. Seed, broker Gilford, NH Other Attractions Nadia's Trattoria Authentic Italian Cuisine Gilford, NH Businesses Cherrystone Lobster House Gilford, NH Other Attractions