Grey Goose Lake–Lower Tilley Loop, 4 sights
5 mi · ▲ 615 ft · 1 hr 58 min
Grey Goose Lake–Lower Tilley Loop, 4 sights is a 5-mile out-and-back in Rockville Hills Regional Park near Rockville, CA. The route reaches Grey Goose Lake. It climbs 615 ft, with sections as steep as 24% grade. It scores 13/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
Getting there
Directions
Grey Goose Lake–Lower Tilley Loop, 4 sights
5 mi · ▲ 615 ft · 1 hr 58 min
Elevation 88–371 ft
Out & Back · Rockville Hills Regional Park
Trailhead: 38.23528, -122.13039
Weather Sep 5: Overcast, high 79°F / low 52° · precip 0% · wind 4 mph · sunrise 6:43 AM · sunset 7:34 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 Wild Turkey Run Trail, heading W.
- 150 ftBear left onto Tilley Connection, heading S.
- 350 ftTurn left onto Mini Rock Garden Trail, heading NW.
- 450 ftTurn right, heading S.
- 350 ftTurn right, heading NW.
- 200 ftTurn left, heading W.
- 0.1 miPass Grey Goose Lake.
- 150 ftTurn left, heading NW.
- 0.4 miBear left, heading NW.
- 0.1 miTurn right, heading W.
- 250 ftTurn right onto Fern Falls, heading SW.
- 0.3 miContinue straight onto Unknown Trail, heading NW.
- 0.6 miReach Grey Goose Lake, then turn around and head back the way you came.
- 0.6 miContinue straight onto Fern Falls, heading S.
- 0.3 miTurn left, heading S.
- 250 ftTurn left, heading SE.
- 0.1 miBear right, heading SW.
- 0.4 miTurn right, heading E.
- 0.2 miTurn right, heading SE.
- 200 ftTurn left, heading SE.
- 350 ftTurn left onto Mini Rock Garden Trail, heading NE.
- 450 ftTurn right onto Tilley Connection, heading SE.
- 350 ftBear right onto Wild Turkey Run Trail, heading SE.
- 150 ftSharp left onto Upper Tilley Loop, heading S.
- 0.3 miBear left, heading E.
- 0.1 miBear left onto Lower Tilley Loop, heading SE.
- 50 ftTurn right, heading SE.
- 0.1 miArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
Weather
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
- Devil's Backbone–Lower Tilley Loop, 3 sights 2.1 mi · ▲ 475 ft
- 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
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