The Pine Hill Trail is one of my favorite places in Littleton.  Located only a few blocks above Main Street, the trail allows residents (and visitors) to have the best of both worlds.  Here it is possible to live in the heart of a walkable and vibrant town, but also walk down the street and spend the day hiking and exploring the woods.  Pine Hill Trail is not the most impressive trail in the area.  We are after all, in the White Mountains with hundreds if not thousands of amazing trails right at our doorstep.  Yet, it is still a really great trail, and it is so nice to not…