<P> In the northern half of the state, the AT climbs back up into the mountains and passes through St. Anthony's Wilderness, which is the second largest roadless area in Pennsylvania and home to several coal mining ghost towns, such as Yellow Springs and Rausch Gap . </P> <P> Trail towns that are popular stops with thru - hikers are Boiling Springs, Duncannon, Port Clinton, Palmerton, Wind Gap, and Delaware Water Gap . </P> <P> Northeast of the Schuylkill River, the trail runs along the top of the Blue Mountain ridge . Just before entering New Jersey, the Blue Mountain ridge becomes the Kittatinny Ridge . </P> <P> With the description of "where boots go to die", Pennsylvania is infamous among thru - hikers for having more long stretches of rocky trail than any other state, although many feel the rocks are overrated . The worst rocks are in the northern half of the state, north of the Susquehanna River . Many consider Pennsylvania one of the easier parts of the AT, since it is mostly walking on ridges with relatively small elevation changes compared to many other states . </P>

Are the adirondacks part of the appalachian trail