Open in App
Get this route on your phone instantly.
39.5 miles
Distance
3,342 ft
Climb
-3,335 ft
Descent
3,064 ft
High Point
7 ft
Altitude change
2,261 ft
Altitude min
2,566 ft
Altitude start
2,572 ft
Altitude end
-143.6%
Grade max
116.2%
Grade min
17 miles
Distance climb
17 miles
Distance down
6 miles
Distance flat
Lap from Big 4 though the hills and then looping around the Atherton trail park
Detailed Description
Atherton lap is a 39 mile moderately popular intermediate route located near Atherton. This mountain bike only route. This route includes 7 trails. This route climbs 3,342 ft with a max elevation of 3,064 ft then descends -3,335 ft.
Trail Issues on Route
- Closed: 2 trails (newest: May 15, 2026)
- Significant Issue / Amber: 2 trails (newest: Aug 23, 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
-
Distance39 miles
-
Avg time6 hr 43 min
-
Altitude change7 ft
-
Altitude min2,261 ft
-
Altitude start2,566 ft
-
Altitude end2,572 ft
-
Climb3,342 ft
-
Descent-3,335 ft
-
Grade max-143.6%
-
Grade min116.2%
-
Distance climb17 miles
-
Distance down17 miles
-
Distance flat6 miles
7 Reviews & Comments
We hope you've been enjoying Trailforks!
Create a FREE account to view all route reviews and much more.
Trails in Route
| 2,730 ft | |||||
| 3,376 ft | |||||
| 3 miles | |||||
| 3 miles | |||||
| 4,137 ft | |||||
| 2,408 ft |
Details
-
Riding area
-
Primary ActivityMountain Bike
-
Difficulty ratingBlue
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
Photos
Recent Trail Reports Along Route
more reports »
- By BailyThomas & contributors
- #26930 - 727 views
Hit the Trail
Download Route
Save to wishlist, Garmin & download.