I enjoy a good hike during the summer.  Have you ever hiked the Appalachian Trail?  It's a pretty popular trail in the Eastern United States.
i have heard about it but do not know much about it
Let me tell you more!  The trail itself is around 2,200 miles long and spans over 14 states. 
what state does it start and what state does it end?
It starts off at Georgia and spans all the way to Maine.  It's also home to 2 million annual visits each year as they participate in the hike.
so, is it a public trail on public land or does it also go through private land?
Appalachian Trail
The Appalachian National Scenic Trail, generally known as the Appalachian Trail or simply the A.T., is a marked hiking trail in the Eastern United States extending between Springer Mountain in Georgia and Mount Katahdin in Maine. The trail is about long, though the exact length changes over time as parts are modified or rerouted. The Appalachian Trail Conservancy describes the Appalachian Trail as the longest hiking-only trail in the world. More than 2 million people are said to take a hike on part of the trail at least once
Teammate Chris Johnson said of the other backs, "Basically if you have the talent to make it here, you pretty much know how to read a defense and know how to run a ball, So there are not a lot of things I can tell him as far as how to run the ball. ... (It's) just making sure I let him know some of the things I did to learn the playbook quickly."
About adjusting to the NFL, Ringer said "It's definitely a lot more