more stats
2,582 ft
Distance
6 ft
Climb
-225 ft
Descent
00:02:42
Avg time
-221 ft
Altitude change
184 ft
Altitude min
406 ft
Altitude max
406 ft
Altitude start
184 ft
Altitude end
-8.6%
Grade
-24.9%
Grade max
5.9%
Grade min
184 ft
Distance climb
1,857 ft
Distance down
469 ft
Distance flat
00:02:42
Avg time

Dia Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    San Onofre
    San Clemente, California
  • Difficulty Rating
  • Voted Difficulty
    Black Diamond (4 votes)
  • Local Popularity
    70 in Mountain Biking [+]
    • 5 in Trail Running
    • 5 in Hiking
  • Global Ranking
    #90027 in Mountain Biking [+]
    • #279092 in Trail Running
    • #100702 in Hiking
  • Hiking SAC Scale
    T2 Mountain Hiking
  • Trail Type
    Singletrack
  • Bike Type
    DH, DJ
  • Direction
    Downhill Only
    Popular Direction Shown
  • Physical Rating
    Moderate
  • Dogs Allowed
    Yes
  • Land Owner
    SHARE Mountain Bike Club

Dia is the extension of Frank and Beanz and a different option than Bronco. It is a jump run with ride arounds for almost everything which makes this a blue run. It is always changing so you need to keep a sharp eye out, but the majority of the run is pretty consistent.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 2 rides
  • 19.9 km average
6 Months
  • 28 rides
  • 18.5 km avg distance
All
  • 457 rides
  • Last: Sep 20, 2026
c1c2c3c4
January
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March
April
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Status:
on Mar 4, 2026
Avg: 4.38 (7 votes)
Your vote: 0

view (5,216)
close
      Directions to dia trailhead (33.436730, -117.579360)

      Photos

      2 more »
      mtb
      Dia
      237 |
      Mar 14, 2020 @ 3:41pm
      Mar 14, 2020
      mtb
      Dia
      333 |
      Mar 14, 2020 @ 3:41pm
      Mar 14, 2020

      Videos

      12 more »
      youtuber Frank n Beans Dia San Clemente Jumpline Trail...
      mtb
      5:19 | 193 | Jan 3, 2026 , San Clemente
      youtuber MTB Riding Dia, San Clemente Single Tracks,...
      mtb
      3:13 | 220 | Feb 28, 2024 , San Clemente
      youtuber MTB Riding Dia, San Clemente Single Tracks,...
      mtb
      3:25 | 178 | Nov 6, 2023 , San Clemente
      youtuber MTB Riding DIA | Shake n Bake | Phil's World |...
      mtb
      16:51 | 164 | Jul 23, 2023 , San Clemente

      Routes with this trail

      2.3 7 miles 1,132 ft 19
      This is a multi-loop route, focusing on Hi'er Line and Dia. Start by riding Hi'er line, then continue...
      10 miles 1,264 ft 14
      10 miler Intermediate Green/Blue
      4.7
      7 Ratings
      5 71%
      4 29%
      3
      2
      1

      3 Reviews & Comments

      Tomjenkins1
      Currently overgrown with stabby weeds towards bottom. Wear pants and welding gloves.
      Alzlab
      Nice flowey trail with lots of optional jumps
      Outdoorsd Outdoorsd
      Maybe the funnest line around. Super fast and flowy, this is the line where you can open up and fly. Feels like a rollercoaster ride.

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      • By MTBMOR & contributors
      • #260807 - 2,980 views

      Frequently Asked Questions

      Where is Dia located?
      Dia is located in San Onofre, San Clemente, California, United States. It is part of the San Onofre trail network. The trailhead is located at coordinates 33.43673, -117.57936.
      How hard is Dia?
      Dia is rated as Blue difficulty. The physical rating is Moderate. The average grade is 8.6%.
      What is the elevation gain for Dia?
      Dia has 6 ft of elevation gain. The trail has 225 ft of elevation descent. The elevation ranges from 184 ft to 406 ft.
      Is Dia a point to point trail?
      Yes, Dia is a point to point trail. The direction is Downhill Only. The trail type is singletrack.
      How long is Dia?
      Dia is 2,582 ft long. The trail type is singletrack.
      Are dogs allowed on Dia?
      Yes, dogs are allowed on Dia. Please keep dogs on a leash where required and clean up after them.
      When is the best time of year to ride Dia?
      Based on activity log data, the most popular months to ride Dia are:
      • November (33 activities)
      • January (28 activities)
      • April (21 activities)
      Check the reports page for current trail conditions.
      How do I access Dia? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Dia are: View all parking locations in the area.
      How long does it take to ride Dia?
      Based on recorded activities, it takes an average of 3 minutes to ride Dia. The trail is 2,582 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      How busy is Dia?
      Dia is a very popular trail. There have been 4,838 recorded activities on this trail. The trail has received 5,216 check-ins. View recent activity on this trail.

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