Explore Hillsborough County Hikes by Distance, Elevation, Difficulty, and More

Check out some of the best hiking, walking and backpacking routes in Hillsborough County, New Hampshire. The Rockingham Recreational Rail Trail - Portsmouth Branch is the most popular trail. The trails have 7 user reviews with great photos and information. There are trails of various difficulty levels including easy and medium. The trail with the highest elevation climb is the North Pack Monadnock Mountain Trail and the trail with the least amount of climbing is the Walk along Merrimack River and Heritage Trail. The longest trail is the Rockingham Recreational Rail Trail - Portsmouth Branch at 45.2 km. For a shorter adventure you can try the Cold Brook Loop from Lyndeboro Road at 734 m. Get off line access to Restaurant, Fastfood, Town, and Peak locations and much more with a Hiiker subscription.