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1.3 miles
Distance
227 ft
Climb
-220 ft
Descent
00:17:13
Avg time
7 ft
Altitude change
127 ft
Altitude min
294 ft
Altitude max
195 ft
Altitude start
200 ft
Altitude end
0.1%
Grade
-31.9%
Grade max
28.2%
Grade min
2,927 ft
Distance climb
2,441 ft
Distance down
1,266 ft
Distance flat
00:17:13
Avg time
Lower Tilley Loop Details
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Activities
- Mountain Bike
- Hike
- Trail Running
-
Riding AreaRockville Hills Regional Park
Fairfield, California -
Difficulty Rating
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Voted DifficultyBlack Diamond (2 votes)
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Local Popularity50 in Mountain Biking [+]
- 70 in Trail Running
- 5 in Hiking
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Global Ranking
-
Trail TypeSingletrack
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Climb DifficultyBlack Diamond
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Physical RatingModerate
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Dogs AllowedYes
No community description for Lower Tilley Loop trail has been added yet!
AI Generated Description
Lower Tilley Loop is a highly rated 1 mile moderately popular black diamond difficulty singletrack trail located near Fairfield California. This mountain bike primary trail and has a moderate overall physical rating with a 227 ft black diamond climb. On average it takes 17 minutes to complete this trail.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 6 rides
- 9 miles avg distance
All
- 180 rides
- Last: Jun 20, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Lower Tilley Loop Trail Reports
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Trail Conditions
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Directions to lower-tilley-loop trailhead
(38.243930, -122.133620)
Photos
4 more »
Routes with this trail
★ 3.5 • 7 miles • 1,354 ft • 41 • Point to Point •
Tour of some of the chunky black and double back descents in Rockville
7 miles • 1,325 ft • 41 • Point to Point •
Tour of some of the chunky black and double back descents in
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Nearby Trails
- Upper Tilley Trail 764 ft
- Tilley Connector 768 ft
- Wild Turkey Run 860 ft
- Fire Road 889 ft
- Bay Area Ridge Trail 955 ft
Rockville Hills Regional Park
- By bkxc
Everstoke & contributors - #60938 - 2,473 views
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Frequently Asked Questions About Lower Tilley Loop
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Where is Lower Tilley Loop located?
Lower Tilley Loop is located in Rockville Hills Regional Park, Fairfield, California, United States. It is part of the Rockville Hills Regional Park trail network. The trailhead is located at coordinates 38.24393, -122.13362.
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How hard is Lower Tilley Loop?
Lower Tilley Loop is rated as Black Diamond difficulty. The physical rating is Moderate. The average grade is 0.1%. The climb difficulty is rated Black Diamond.
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What is the elevation gain for Lower Tilley Loop?
Lower Tilley Loop has 227 ft of elevation gain. The trail has 220 ft of elevation descent. The elevation ranges from 127 ft to 294 ft.
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How long is Lower Tilley Loop?
Lower Tilley Loop is 1.3 miles long. The trail type is singletrack.
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