Devil's Backbone–Lower Tilley Loop, 3 sights
2.1 mi · ▲ 475 ft · 56 min
Devil's Backbone–Lower Tilley Loop, 3 sights is a 2.1-mile out-and-back in Rockville Hills Regional Park near Rockville, CA. It climbs 475 ft, with sections as steep as 24% grade. It scores 1/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi89 – 361 ft · steepest grade: 24%2.3 mi
Getting there
Trailhead: Unnamed 38.23528, -122.13039
Nearest town Rockville, CA
Directions
AMBLEWAYwww.ambleway.com
Devil's Backbone–Lower Tilley Loop, 3 sights
2.1 mi · ▲ 475 ft · 56 min
Elevation 88–360 ft
Out & Back · Rockville Hills Regional Park
Trailhead: 38.23528, -122.13039
Weather Sep 4: Fog, high 76°F / low 54° · precip 0% · wind 13 mph · sunrise 6:42 AM · sunset 7:35 PM
Transit-accessible: Suisun Valley Rd and Snowberry Way stop 438 m from the trailhead
- Start at the trailhead, heading NW.
- 0.2 miTurn left onto Lower Tilley Loop, heading NW.
- 50 ftBear right, heading W.
- 0.1 miBear right onto Upper Tilley Loop, heading NE.
- 0.3 miSharp right onto Lower Tilley Loop, heading W.
- 350 ftContinue straight onto Devil's Backbone, heading N.
- 0.3 miReach Lower Tilley Loop, then turn around and head back the way you came.
- 0.3 miContinue straight onto Lower Tilley Loop, heading SW.
- 400 ftSharp left onto Upper Tilley Loop, heading S.
- 0.3 miBear left, heading S.
- 0.1 miBear left onto Lower Tilley Loop, heading SW.
- 50 ftTurn right, heading SW.
- 0.2 miArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Weather
FogTemperature 76°F54°
Precip0%Wind13 mphUV7Humidity47%
Hourly temperature
80°50°
Sunrise 6:42 AM12 AM3 AM9 AM12 PM3 PMSunset 7:35 PM
Sat
77°52°
Sun
78°51°
Mon
92°54°
Tue
85°61°
Wed
78°56°
16%
Thu
94°68°
Good to know
- Transit-accessible: Suisun Valley Rd and Snowberry Way stop 438 m from the trailhead
Other ways to reach this destination
More from this trailhead
- Lower Tilley Loop–Old Ranch Road, 3 sights 2.5 mi · ▲ 482 ft
- Grey Goose Lake–Lake Front, 4 sights 3.5 mi · ▲ 382 ft
- Grey Goose Lake–Lower Tilley Loop, 4 sights 5 mi · ▲ 615 ft
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