Map of Holt Trail, White Mountains, Grafton County, New Hampshire LOCATION Latitude: 43.64833 Longitude: -71.88639 Current weather conditions and forecast for Holt Trail, White Mountains, Grafton County, New Hampshire Local climate location: HANOVER 22 miles away    High quality water resistant topo map of Holt Trail, White Mountains, Grafton County, New Hampshire.   New Hampshire Hiking Trails Complete list of all hiking trails in New Hampshire sorted by county. Books about Holt Trail, Grafton County, New Hampshire List of books available on Amazon.com about Holt Trail. Outdoors Recreation Near Concord, New Hampshire Outdoors recreation in the vicinity of Concord, New Hampshire, the metro area neareast to Holt Trail. Find info on campgrounds, marinas, hiking trails, ski resorts, lakes, beaches, parks, whitewater, golf courses and more. New Hampshire Outdoors Index Index of outdoors activities in the great state of New Hampshire.