Standing Stone Trail Hiking Club — The Standing Stone Trail Hiking Club maintains the Standing Stone Trail (formerly the Link Trail) located in south central Pennsylvania. The Standing Stone Trail “links” the Mid State Trail in the center of the state to the Tuscarora Trail in the south. Over 70+ miles in length, the Standing Stone Trail takes you along scenic ridges connecting Greenwood Furnace State Park to Cowan’s Gap State Park.

Source: Standing Stone Trail Hiking Club – PAHikes

Ridge & Valley Outings Club — The Ridge and Valley Outings Club provides a social framework for planning and enjoying outdoor recreation in Central Pennsylvania.

Source: Ridge & Valley Outings Club – PAHikes

The Mid State Trail Association — The group of hikers whose main objective is to maintain the Pennsylvania Mid State Trail. Their website has a nice collection of newsletters, called the Brushwhacker, that they publish on a quarterly basis.

Source: The Mid State Trail Association – PAHikes

The Keystone Trails Association — The Keystone Trails Association, a volunteer-directed, public service organization is a federation of membership organizations and individuals dedicated to providing, preserving, protecting and promoting recreational hiking trails and hiking opportunities in Pennsylvania, and to representing and advocating the interests and concerns of the Pennsylvania Hiking community.

Source: The Keystone Trails Association – PAHikes