The Cove Mountain Shelter in Pennsylvania is located just south of Duncannon and the Susquehanna River. The shelter was built in 2002 by volunteers from the Mountain Club of Maryland near the site of the former Thelma Marks Shelter, which was the scene of the murder of Molly LaRue and Geoffrey Hood by Paul David Crews in September 1990.

The Darlington Shelter in Pennsylvania is a replacement for the original Darlington Shelter built in 1956 by Earl Shaffer, the first person to thru hike the Appalachian Trail in 1948. The shelter Shaffer built was replaced by the current structure in 1977 by the Mountain Club of Maryland, which still maintains the shelter. The shelter is named for Bishop James Henry Darlington, an early advocate of the Appalachian Trail.

Alexander (Alec) Kennedy was one of the founders of the Mountain Club of Maryland in 1934 and also served as a president of that club. After his death in 1989, club members built the Alec Kennedy shelter in his memory.

The James Fry Shelter is located just north of Pine Grove Furnace State Park in Pennsylvania. It was built as a replacement for the Tagg Run Shelter sometime in the 1970s and is maintained by the Mountain Club of Maryland.