Region 2: Grafton . The Department of Public Safety is easily located at 14 TAC Lane off of Tripoli Road. to access the mountain, 33 Village Rd, Waterville Valley, NH 03215, 56 Packard's Road, Waterville Valley, NH 03215, “Convenient, family oriented and action packed mountain with lots to see and do. Visit top-rated & must-see attractions. Please contact Ian Cullison at for more info and to reserve your spot.