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 Timberman Triathlon World-Class triathlon in the Lakes Region of NH, with more than 3000 Gilford, NH Other Attractions Piche's Ski & Sport Gilford, NH Other Attractions Fay's Boat Yard Gilford, NH Other Attractions Pepi Herrmann Crystal, Inc Gilford, NH Other Attractions