Your Connection To the Outdoors

Section 21: NH 12, Troy, NH over Gap Mountain to NH 124 at the foot of Grand Monadnock

The trail follows NH Route 12 and then Quarry Road south and east from Troy Village. Leaving Quarry Road, it climbs to the summit of Fern Hill, dips down to cross a tributary of Quarry Brook and then ascends Gap Mountain. From its summit, the trail continues along the northern ridge with Grand Monadnock continually in view. The trail then descends steeply on the eastern side of Gap Mountain again crossing a number of tributaries of Quarry Brook to reach NH 124 at the base of Grand Monadnock. For more information, go to

+ Length: 4.7 miles
+ Elevation profile