價格：免費
檔案大小：70.2 MB
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Trail Pal features interactive information covering the Great Allegheny Passage from Ohiopyle, PA to Hagerstown, MD. Find maps of lodging, food, camping, events and other businesses along the trail. Check-in and interact with other trail users.
支援平台：iPhone