Open in App
Get this route on your phone instantly.
3.9 miles
Distance
727 ft
Climb
-722 ft
Descent
981 ft
High Point
5 ft
Altitude change
438 ft
Altitude min
438 ft
Altitude start
443 ft
Altitude end
-45.5%
Grade max
30.8%
Grade min
2 miles
Distance climb
2 miles
Distance down
899 ft
Distance flat
Short on time and need a quick loop. Good 45-1 hour loop that has several fun options if you need to cut the ride short. Stop at the Quarry and play on the many features.
Detailed Description
Lime Time Loop is a 4 mile popular intermediate route located near Concord California. This mountain bike only route can be used one direction and has a moderate overall physical rating. This route includes 10 trails. This route climbs 727 ft with a max elevation of 981 ft then descends -722 ft.
Trail Issues on Route
- Significant Issue / Amber: 3 trails (newest: Oct 16, 2026)
Local Trail Association
Please consider joining or donating to the local riding association to support trail development & maintenance.
Donate to earn trail karma!
Stats
-
Distance4 miles
-
Avg time40 min 40 sec
-
Altitude min438 ft
-
Altitude start438 ft
-
Altitude end443 ft
-
Climb727 ft
-
Descent-722 ft
-
Grade max-45.5%
-
Grade min30.8%
-
Distance climb2 miles
-
Distance down2 miles
-
Distance flat899 ft
13 Reviews & Comments
We hope you've been enjoying Trailforks!
Create a FREE account to view all route reviews and much more.
Trails in Route
| 1 mile | |||||
| 75 ft | |||||
| 4,800 ft | |||||
| 118 ft | |||||
| 440 ft | |||||
| 2,221 ft | |||||
| 423 ft | |||||
| 630 ft | |||||
| 541 ft | |||||
| 1,450 ft |
Details
-
Riding area
-
Primary ActivityMountain Bike
-
Difficulty ratingBlue
-
Route TypeLoop
-
Bike typeAM, XC
-
DirectionOne Direction
-
Physical ratingModerate
-
Activity Logs
close
3D
Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users activity logs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
Trailforks scans activity logs to determine the last time a trail was ridden.
- < 2 days
- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
Contribute Details
Colors indicate trail is missing specified detail.
- Description
- Photos
- Description & Photos
- Videos
Trail Popularity ?
Trailforks scans activity logs to determine which trails are ridden the most in the last 9 months.
Trails are compared with nearby trails in the same city region with a possible 25 colour shades.
Think of this as a heatmap, more activities = more kinetic energy = warmer colors.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
?
Activity Recordings
Trailforks uses anonymized public activity data.
?
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
![map legend]()
Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.
Slope Aspect
Direction the slope faces
Trails Deemphasized
Trails are shown in grey.
Only show trails with no bike usage.
Suggested Layers
Based on selected activity type
Save the current map location and zoom level as your default home location whenever this page is loaded.
Save
Trail transparency
- Singletrack
- Unpaved
Photos
Videos
mtb
Middle Trail | Lime Ridge MTB | Yart MTB | Marin RiftZone 1
trail: Quarry Trail
8:21 | 320 | comments: 0 | favs:
Jun 19, 2022
mtb
Cinematic Mountain Bike Film - Lime Ridge Open Space
trail: Lime Ridge
0:30 | 212 | comments: 0 | favs: 4
Mar 13, 2022
Mixing social media and MTB together in this creative mountain bike film! Riders Justin Niemi @justin_niemi and Parker Oldham @parkeroldham from...
Recent Trail Reports Along Route
more reports »
- By dhtahoe2010
& contributors - #10975 - 2,860 views
Hit the Trail
Download Route
Save to wishlist, Garmin & download.