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 Gusntock Mountain Resort New Hampshire' Gilford, NH Businesses Heirlooms & Old Lace Gilford, NH Other Attractions Meadowbrook Lodging Gilford, NH Other Attractions William H. Seed, broker Gilford, NH Other Attractions