Pins, patches, and some books and maps related to the Trail network are available at many bookstores within various National Park Service visitor centers in the Trail corridor, as well as from Eastern National, the Trail Office cooperating association, through http://www.eparks.com/store/ and by calling 1-877-NAT-PARK. Some items are also available at the Harper's Ferry Historical Association bookstore, from http://www.harpersferryhistory.org/ and by calling 304-535-6881; and from the Potomac Appalachian Trail Club at www.potomacappalachian.org.
Did You Know?
The round holes you see in the rocks along the River Trail in Great Falls National Park were carved by the Potomac. Some of these potholes are large enough to stand in and can take over 500 years to form.