Townline Brook Trailhead is a park, located at Randolph, NH 03593, USA. They can be contacted via phone at +1 603-536-6100, visit their website www.fs.usda.gov for more detailed information.
This is a lovely hike off the Pinkham B road. You won't be able to get to it I. The winter because the road is closed (or you could hike in).