185 official trails lie within 25 miles of Grass Valley — 614 miles in total, 90 rated easy and 45 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 2,743 ft; the median trail gains 418 ft.
| Trail | Miles | Climb | Difficulty | Drive from town |
|---|---|---|---|---|
| South Yuba Trail | 15.8 | 901 ft | Expert | 45 min · 25 mi |
| Western States Trl | 11.8 | 1,445 ft | Expert | 1 h 12 min · 40 mi |
| Codfish (Loop 6) | 15.3 | 2,148 ft | Expert | 21 mi (straight-line) |
| Western States | 9.5 | 2,612 ft | Expert | 22 mi (straight-line) |
| South Yuba Ridge Trail | 8.4 | 2,440 ft | Expert | 50 min · 26 mi |
| Humbug (Loop 5) | 19.8 | 1,750 ft | Expert | 1 h 35 min · 56 mi |
| Bullards | 14.0 | 846 ft | Expert | 43 min · 26 mi |
| Mumford Bar | 6.5 | 2,743 ft | Expert | 1 h 57 min · 46 mi |
| South Yuba | 10.1 | 784 ft | Expert | 45 min · 25 mi |
| Tillotson | 4.7 | 2,115 ft | Expert | 3 h 55 min · 92 mi |
| Pioneer | 25.8 | 1,596 ft | Expert | 24 mi (straight-line) |
| Halls Ranch | 5.4 | 1,771 ft | Expert | 57 min · 40 mi |
| Truckee Ditch | 12.5 | 1,107 ft | Expert | 1 h 20 min · 42 mi |
| Fiddle Creek Ridge | 5.8 | 1,769 ft | Hard | 49 min · 35 mi |
| Euchre Bar | 3.9 | 1,633 ft | Hard | 52 min · 29 mi |
| Towle Mill Loop Mc | 10.0 | 570 ft | Hard | 14 mi (straight-line) |
| Italian Bar | 2.2 | 2,637 ft | Hard | 20 mi (straight-line) |
| Green Valley | 3.1 | 2,223 ft | Hard | 1 h 10 min · 30 mi |
| Excelsior | 12.8 | 704 ft | Hard | 29 min · 20 mi |
| Italian Bar Trail | 2.1 | 2,631 ft | Hard | 20 mi (straight-line) |
| American River Trail (13E25) | 7.4 | 700 ft | Hard | 1 h 59 min · 62 mi |
| Foresthill Divide Loop Trl | 9.1 | 340 ft | Hard | 46 min · 30 mi |
| Brown Bear | 2.6 | 2,310 ft | Hard | 58 min · 42 mi |
| Forest Route 98 | 8.1 | 822 ft | Hard | 1 h 24 min · 44 mi |
Waterfalls: Creekside Trail to Hidden Falls; Codfish Falls Trl to Codfish Falls; River Otter Loop to Hidden Falls; South Legacy Way to Hidden Falls
Summits: Saint Charles Hill Trail to Saint Charles Hill; Roanoak to Cock Robin Point; Forest Route 55 to Bald Top; Round Mountain Trail to Round Mountain
Lakes: Lake Clementine Access Trail to North Fork Lake; Diggins Loop Trl to Diggins Pond; Sugar Pine Trail to Sugar Pine Reservoir; Blue Lake to Blue Lake
Viewpoints: Diggins Loop Trl to West Diggins Viewpoint; Yuba Rim Trail to Yuba Rim Overlook
Rock formations: Codfish (Loop 6) to Devils Thumb; Pointed Rocks Fbt to Pointed Rocks
Springs: Mumford Bar to Government Spring; Pioneer to Sardine Spring; Towle Mill Loop Mc to Indian Spring; Deer Creek Mc to Big Tunnel Spring
Nearby towns: Rocklin (30 mi) · Oroville (33 mi) · Placerville (36 mi) · Truckee (47 mi)
All California trail guides · Hiking by city · Dispersed camping rules