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 Ames Farm Inn Gilford, NH Businesses Ellacoya Resort & Cottages Gilford, NH Businesses Glendale Tavern Gilford, NH Businesses Glendale Tavern Gilford, NH Other Attractions