Stone Arch Bridge
20 miles 30 minutes
Park at roadside:
N 42 34.971
W 71 27.874
Google map: Nature Walks in Northeastern MA
Roads (from Nashua NH):
- Route 3 south to Exit 86 in Massachusetts
- Route 40 west (3.8 miles)
- North Street south (0.8 miles)
- North Main Street southwest (0.4 miles)
then turn left under railroad tracks
- Pine Ridge Road southeast (0.7 miles)
- Cold Spring Road west (0.1 miles)
