201 official trails lie within 25 miles of St. Marys — 1,479 miles in total, 127 rated easy and 37 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 1,513 ft; the median trail gains 223 ft.
| Trail | Miles | Climb | Difficulty | Drive from town |
|---|---|---|---|---|
| Donut Hole Trail | 16.4 | 1,513 ft | Expert | 1 h 04 min · 40 mi |
| Bucktail Path | 9.9 | 1,143 ft | Expert | 1 h 07 min · 36 mi |
| Thunder Mountain Equestrian Trail | 23.2 | 573 ft | Expert | 1 h 25 min · 38 mi |
| Quehanna Trail | 13.7 | 1,058 ft | Expert | 1 h 10 min · 39 mi |
| Elk Trail | 16.0 | 1,062 ft | Expert | 1 h 08 min · 37 mi |
| Thunder Mtn Equestrian | 10.1 | 256 ft | Expert | 1 h 03 min · 30 mi |
| Parker Dam State Park Trails | 10.8 | 248 ft | Expert | 52 min · 25 mi |
| Allegheny National Forest Trails | 186.5 | 673 ft | Expert | 1 h 00 min · 37 mi |
| Twin Lakes Hiking | 16.5 | 626 ft | Expert | 57 min · 27 mi |
| Snow Timberline A | 13.9 | 348 ft | Hard | 1 h 01 min · 32 mi |
| Asl #11 Slater Run | 11.9 | 422 ft | Hard | 1 h 16 min · 44 mi |
| Asl #14 Spring Creek | 9.2 | 573 ft | Hard | 1 h 19 min · 37 mi |
| Scht - Segment 21 | 8.8 | 464 ft | Hard | 1 h 15 min · 36 mi |
| Old Sinnemahoning Trail | 4.3 | 1,242 ft | Hard | 1 h 04 min · 40 mi |
| Quehanna Trail West Cross Connector | 5.4 | 770 ft | Hard | 1 h 06 min · 29 mi |
| Pine Tree Trail | 3.5 | 577 ft | Hard | 57 min · 21 mi |
| Shawmut Grade Rd | 9.3 | 474 ft | Hard | 22 min · 8 mi |
| Quehanna East Cross Connector Trail | 7.3 | 523 ft | Hard | 1 h 01 min · 34 mi |
| West Creek Recreational Trail | 19.5 | 648 ft | Moderate | 31 min · 18 mi |
| Sizerville Nature Trail | 3.1 | 656 ft | Moderate | 42 min · 26 mi |
| Snow Timberline E | 7.2 | 217 ft | Moderate | 1 h 18 min · 38 mi |
| Laurel Mill X-C Ski and Hiking Trail | 6.7 | 104 ft | Moderate | 42 min · 20 mi |
| Mill Creek Hiking | 5.6 | 423 ft | Moderate | 45 min · 26 mi |
| Scht - Segment 20 | 4.2 | 416 ft | Moderate | 1 h 15 min · 36 mi |
Summits: Donut Hole Trail to Savage Mountain
Lakes: Allegheny National Forest Trails to Hi-La Fish Rearing Pool; Snow Timberline B to Hi-La Fish Rearing Pool
Viewpoints: Donut Hole Trail to Kettle Creek Vista; Fairview Trail to Fairview; Crawford Vista Trail to Crawford Vista; Gore Vista Trail to Gore Vista
Nearby towns: DuBois (26 mi) · Olean (43 mi) · State College (57 mi) · Jamestown (58 mi)
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