362 official trails lie within 25 miles of Seattle — 883 miles in total, 273 rated easy and 20 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 2,569 ft; the median trail gains 149 ft.
| Trail | Miles | Climb | Difficulty | From town |
|---|---|---|---|---|
| Rattlesnake | 10.3 | 2,569 ft | Expert | 25 mi |
| Tiger Mountain State Forest Trails | 12.4 | 1,416 ft | Expert | 22 mi |
| Lord Hill Regional Park Trails | 12.9 | 647 ft | Expert | 22 mi |
| Tiger Mountain | 8.4 | 1,677 ft | Expert | 21 mi |
| Taylor Mountain Trails | 7.8 | 1,093 ft | Expert | 23 mi |
| Preston | 3.6 | 2,300 ft | Hard | 20 mi |
| West Tiger No.3 | 2.8 | 1,981 ft | Hard | 18 mi |
| Section Line | 2.1 | 2,215 ft | Hard | 19 mi |
| Mae Valley Loop | 3.3 | 1,402 ft | Moderate | 17 mi |
| McGarvey Park Open Space Trails | 5.3 | 218 ft | Hard | 16 mi |
| Margarets Way | 3.1 | 1,369 ft | Moderate | 15 mi |
| Big Finn Hill Trails | 7.4 | 174 ft | Hard | 9 mi |
| Cedar River Trail | 15.4 | 533 ft | Hard | 20 mi |
| Tolt Pipeline Trail | 6.7 | 508 ft | Hard | 17 mi |
| Danville-Georgetown Open Space Private Trails | 5.4 | 226 ft | Hard | 24 mi |
| Wildcat | 3.9 | 951 ft | Moderate | 20 mi |
| South Access Road | 2.2 | 1,527 ft | Moderate | 16 mi |
| May Valley Loop | 3.0 | 1,190 ft | Moderate | 17 mi |
| Upper Raging River Forest Trails | 4.7 | 689 ft | Hard | 23 mi |
| Lake Youngs Trail | 9.2 | 188 ft | Hard | 17 mi |
| Chirico | 1.7 | 1,645 ft | Hard | 17 mi |
| Burke-Gilman Trail | 15.9 | 142 ft | Hard | 11 mi |
| Preston RR Grade | 3.5 | 1,003 ft | Moderate | 21 mi |
| Cable Line | 1.3 | 1,738 ft | Hard | 18 mi |
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