26 hiking trails within 100 miles of Allentown, from Mount Tammany at the Delaware Water Gap to New Jersey's own High Point
The Lehigh Valley itself is low and developed, but head east on I-78 and New Jersey's Kittatinny Ridge rises fast — Mount Tammany, overlooking the Delaware Water Gap, is just 32 miles and a 42-minute drive, often named the single best hike near Allentown. That's only the start of the ridge: it continues northeast through Jenny Jump, Schooleys Mountain and Wawayanda before topping out at High Point, New Jersey's own state high point, 66 miles and 88 minutes out. The whole run stays inside a two-hour drive from downtown Allentown.
This guide covers all 26 trails within 100 miles of Allentown, sorted by actual distance from real trailhead coordinates — not the city center. Each trail includes:
Perfect for a quick morning hike
The Kittatinny Ridge's gentler routes, great for beginners and families
More climbing, still a manageable day trip
Worth the extra drive — deeper into New Jersey's Kittatinny Ridge, up toward the state's own High Point
Sorted by distance from Allentown
