150 official trails lie within 25 miles of Allentown — 1,118 miles in total, 103 rated easy and 18 hard or expert. Every distance and elevation figure below is computed from the agency centerline and a 10 m elevation model, not crowd-sourced.
The biggest climb nearby gains 1,284 ft; the median trail gains 112 ft.
| Trail | Miles | Climb | Difficulty | Drive from town |
|---|---|---|---|---|
| Trexler Nature Preserve Trails | 24.5 | 356 ft | Expert | 30 min · 15 mi |
| Walking Purchase Park Trails | 10.0 | 404 ft | Expert | 12 min · 5 mi |
| Jacobsburg Environmental Education Center Trails | 19.5 | 197 ft | Expert | 37 min · 19 mi |
| Nockamixon State Park Trails | 14.9 | 144 ft | Expert | 42 min · 19 mi |
| South Mountain Preserve Trails | 6.3 | 605 ft | Hard | 10 min · 4 mi |
| Switchback Railroad Trail | 8.6 | 484 ft | Hard | 49 min · 30 mi |
| Mariton Wildlife Sanctuary Trails | 4.2 | 357 ft | Hard | 39 min · 20 mi |
| D&L Trail | 65.8 | 1,242 ft | Moderate | 17 min · 8 mi |
| Perkiomen Trail | 21.5 | 197 ft | Moderate | 48 min · 24 mi |
| Ridge Drop | 2.6 | 792 ft | Moderate | 54 min · 31 mi |
| Lower Mount Bethel Township / PPL Tekening Trail System | 7.0 | 100 ft | Moderate | 45 min · 27 mi |
| Ridge Nature Trail | 3.2 | 203 ft | Moderate | 42 min · 29 mi |
| Plainfield Township Trail | 6.9 | 370 ft | Moderate | 32 min · 20 mi |
| Blue Trail (Green Lane Park) | 4.8 | 168 ft | Moderate | 46 min · 22 mi |
| Pinnacle Trail (Yellow Trail) | 1.5 | 989 ft | Moderate | 42 min · 26 mi |
| D&L Trail - Lehigh Canal South | 16.1 | 140 ft | Moderate | 39 min · 23 mi |
| Lehigh Parkway Trail | 7.3 | 107 ft | Moderate | 11 min · 4 mi |
| Beltzville State Park Trails | 4.7 | 126 ft | Moderate | 55 min · 31 mi |
| Luby Loops | 4.5 | 72 ft | Moderate | 12 min · 5 mi |
| Ironton Rail-Trail | 9.2 | 104 ft | Moderate | 18 min · 9 mi |
| Saucon Rail Trail | 6.9 | 262 ft | Moderate | 16 min · 9 mi |
| Furnace Creek Trail | 1.6 | 544 ft | Easy | 45 min · 29 mi |
| Peace Valley Park Trails | 7.2 | 114 ft | Moderate | 52 min · 27 mi |
| Towpath Bike Trail | 6.1 | 186 ft | Easy | 27 min · 16 mi |
Summits: Trexler Nature Preserve Trails to Mill Hill; Mariton Wildlife Sanctuary Trails to Bougher Hill; Bear Mountain Overlook to Bear Mountain; Orange Trail (Lehigh Mountain Park) to Lehigh Mountain
Lakes: D&L Trail to Parryville Lake; Blue Trail (Green Lane Park) to Green Lane Reservoir; D&L Trail - Lehigh Canal South to Spring Pond; Ironton Rail-Trail to Grouse Hall Pond
Viewpoints: Switchback Railroad Trail to Pisgah Vista; D&L Trail to Buttermilk Falls; Lower Mount Bethel Township / PPL Tekening Trail System to Foul Rift Observation Deck; Ironton Rail-Trail to Coplay Creek Overlook
Mountain passes: D&L Trail to Lehigh Gap; D&L Trail - Lehigh Canal South to Lehigh Gap
Rock formations: D&L Trail to Devils Pulpit; D&L Trail - Lehigh Canal South to Devils Pulpit
Springs: Switchback Railroad Trail to Indian Spring; D&L Trail to Penn Springs; Lehigh Parkway Trail to Lehigh Park Spring; Trexler Memorial Park Trails to Trexler Spring
Nearby towns: Doylestown (27 mi) · Reading (29 mi) · Phoenixville (32 mi) · East Stroudsburg (33 mi)
All Pennsylvania trail guides · Hiking by city · Dispersed camping rules