184 official trails lie within 25 miles of Baltimore — 407 miles in total, 160 rated easy and 7 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 548 ft; the median trail gains 115 ft.
| Trail | Miles | Climb | Difficulty | From town |
|---|---|---|---|---|
| Social Trail | 20.7 | 297 ft | Expert | 17 mi |
| Torrey C Brown Rail Trail | 19.9 | 548 ft | Moderate | 14 mi |
| Thru | 7.7 | 252 ft | Hard | 10 mi |
| Cascade | 2.9 | 316 ft | Moderate | 9 mi |
| Big Gunpowder Trail | 8.4 | 146 ft | Moderate | 11 mi |
| Little Gunpowder | 3.0 | 196 ft | Moderate | 17 mi |
| Switchback | 3.7 | 214 ft | Moderate | 16 mi |
| Gray's Mill Trail | 3.3 | 238 ft | Moderate | 9 mi |
| Morgan Mill Trail | 2.7 | 221 ft | Moderate | 11 mi |
| Ridge | 2.6 | 250 ft | Moderate | 8 mi |
| Gunpowder South | 3.1 | 185 ft | Moderate | 21 mi |
| Boundary Trail | 2.7 | 198 ft | Easy | 16 mi |
| Stocksdale Trail | 3.1 | 302 ft | Easy | 13 mi |
| Blue Trail | 2.7 | 183 ft | Easy | 12 mi |
| Little Gunpowder Trail | 3.0 | 140 ft | Easy | 16 mi |
| Panther | 2.2 | 308 ft | Easy | 22 mi |
| Santee Trail | 2.7 | 196 ft | Easy | 8 mi |
| Soapstone | 2.5 | 217 ft | Easy | 7 mi |
| Jesse's Trail | 2.4 | 265 ft | Easy | 16 mi |
| Lost Pond Trail | 3.5 | 138 ft | Easy | 13 mi |
| Merryman's Mill Upper Trail | 2.1 | 238 ft | Easy | 13 mi |
| Wood-Marr (HoCo Thru Trail) | 2.3 | 101 ft | Easy | 14 mi |
| Box Turtle Trail (purple) | 2.5 | 124 ft | Easy | 20 mi |
| Loggers Trail | 2.1 | 233 ft | Easy | 14 mi |
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