1.0 miles
Distance
37 ft
Climb
-221 ft
Descent
00:09:11
Avg time

Tunnel 4 Details

  • Riding area
  • Difficulty rating
    Blue
  • Trail type
    Singletrack
  • Bike type
    AM
  • Trail Usage
    Multi-use
  • Direction
    Both Directions
  • Climb Difficulty
    Blue
  • Physical rating
    Moderate
  • Global Ranking
    #9462

One of the few surviving tunnel trails. It gets its name from the way it swoops through dense scrub oak.

Local Trail Association
More Stats for Tunnel 4 mountain bike trail
  • Altitude change
    -184 ft
  • Altitude min
    240 ft
  • Altitude max
    438 ft
  • Altitude start
    438 ft
  • Altitude end
    254 ft
  • Grade
    -3.466%
  • Grade max
    -21.128%
  • Grade min
    8.223%
  • Distance climb
    1,035 ft
  • Distance down
    3,400 ft
  • Distance flat
    861 ft
  • Avg time
    00:09:11
  • Avg reverse time
    00:13:06
  • view trail stats
Status:
on May 26, 2017
Dry
Avg: 4 (4 votes)

view (245)
close
Layers winter
Map Style
Trail Style
  • ?
Directions to tunnel-4 trailhead (32.945459, -117.164093)
update trails status or condition

Tunnel 4 Trail Reports

datedescription
May 26, 2017 @ 1:20am
9 hours
Mar 27, 2017 @ 8:55pm
Mar 27, 2017
Some loose spots near the top. Has survived the rain better than most trails.
Aug 23, 2016 @ 3:48pm
Aug 23, 2016
view all reports »

Photos

more »
24 |
Dec 20, 2016 @ 7:30pm
Dec 20, 2016
Tunnel 4, San Diego
13 |
Dec 20, 2016 @ 7:30pm
Dec 20, 2016
Tunnel 4, San Diego
12 |
Dec 20, 2016 @ 7:30pm
Dec 20, 2016
Tunnel 4, San Diego
19 |
Dec 20, 2016 @ 7:29pm
Dec 20, 2016
Tunnel 4, San Diego

Reviews / Comments

No reviews yet, be the first to write a review or ask a question.
Use trail reports to comment on trail conditions.


Post a Comment



You must login to Pinkbike.
Don't have an account? Sign up

Join Pinkbike  Login

Videos

no videos have been added for Tunnel 4 yet, add a video.
  • subscribe
  • flag
  • login to download gpx or kml files.