U can do an endless loop around the trails.
Is it safe to walk alone?
Many ultra-runners in the greater Boston area use this area for training. There is an extensive network of trails if you are looking for some distance to cover.
Can go all over
I agree with the other guides. Walk as much as you would like on the various trails.
Skyline is good stuff!
The skyline trail is 8 miles each way out and back 16
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