more stats
1,401 ft
Distance
-27 ft
Descent
00:01:45
Avg time
-30 ft
Altitude change
1,427 ft
Altitude min
1,458 ft
Altitude max
1,457 ft
Altitude start
1,427 ft
Altitude end
-2.1%
Grade
-11.6%
Grade max
2.4%
Grade min
246 ft
Distance climb
774 ft
Distance down
328 ft
Distance flat
00:01:45
Avg time

B12a Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Gravel Bike
    • Horse
    • Hike
    • Trail Running
  • Riding Area
    Collserola
    Barcelona
  • Difficulty Rating
    Secondary Access Road/Trail Rate
  • Local Popularity
    90 in Mountain Biking [+]
    • 90 in E-Biking
    • 80 in Trail Running
    • 95 in Hiking
    • 5 in Horseback
    • 55 in Gravel Biking
  • Trail Type
    Dirt/Gravel Road
  • Bike Type
    Gravel
  • Direction
    Both Directions
    Popular Direction Shown
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes up to Class 1
  • Land Owner
    Generalitat de Catalunya

official bike path - labelled B12a

Tags
Local Trail Association

Recent Activity on Trail

Past Week
  • 1 rides
  • 11 miles average
6 Months
  • 25 rides
  • 18 miles avg distance
All
  • 328 rides
  • Last: Oct 12, 2026
Status:
on Sep 19, 2025
Dry
Avg: 4.13 (1 votes)
Your vote: 0

view (2,624)
close
      Directions to b12a trailhead (41.434490, 2.128490)
      View on Discover Map

      Photos

      No photos have been added for B12a yet, add a photo.

      Videos

      no videos have been added for B12a yet, add a video.
      5.0 ★★★★★
      1 Ratings
      5 ★ 100%
      4 ★
      3 ★
      2 ★
      1 ★

      Reviews / Comments

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


      We hope you've been enjoying Trailforks!

      Create a FREE account to view all trail reviews and much more.

      Create a Free Account

      Nearby Trails

      Collserola

      • By kai-bcnTF Pro TFSPAIN & contributors
      • #198842 - 415 views

      Frequently Asked Questions

      ▼ Where is B12a located?
      B12a is located in Collserola, Barcelona, Spain. It is part of the Collserola trail network. The trailhead is located at coordinates 41.43449, 2.12849.
      ▼ What is the elevation gain for B12a?
      The trail has 27 ft of elevation descent. The elevation ranges from 1,427 ft to 1,458 ft.
      ▼ Is B12a a point to point trail?
      B12a is not a point to point trail. The direction is Both Directions. The trail type is dirt/gravel road.
      ▼ How long is B12a?
      B12a is 1,401 ft long. The trail type is dirt/gravel road.
      ▼ Are dogs allowed on B12a?
      Yes, dogs are allowed on B12a. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access B12a? Where is the closest parking trailhead?
      The closest parking and trailhead locations to B12a are: View all parking locations in the area.
      ▼ How long does it take to ride B12a?
      Based on recorded activities, it takes an average of 2 minutes to ride B12a. The trail is 1,401 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is B12a?
      B12a is a very popular trail. There have been 2,663 recorded activities on this trail. The trail has received 2,624 check-ins. View recent activity on this trail.

      Hit the Trail

      Open in App

      Get this trail on your phone instantly.
      open trail in app

      Download Trail

      Save to wishlist, Garmin & download.
      save the trail

      Find Related Routes

      Find routes and users activities that include this trail.
      find routes for this trail

      You must enter a description before submitting.