more stats
4,364 ft
Distance
-455 ft
Descent
00:03:37
Avg time
-455 ft
Altitude change
2,015 ft
Altitude min
2,470 ft
Altitude max
2,470 ft
Altitude start
2,014 ft
Altitude end
-10.4%
Grade
-41.8%
Grade max
-1.3%
Grade min
4,364 ft
Distance down
00:03:37
Avg time

Fonza Details

  • Activities
    • Mountain Bike
  • Riding Area
    Vipavska dolina
    Ajdovščina
  • Difficulty Rating
    Blue Rate
  • Voted Difficulty
    Double Black Diamond (2 votes)
  • Local Popularity
    100 in Mountain Biking
  • Global Ranking
    #27097 in Mountain Biking
  • Trail Type
    Mixed
  • Bike Type
    DH, AM
  • Climb Difficulty
    Green
  • Physical Rating
    Easy
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • TTFs on Trail
    Berm, Jump
  • Land Owner
    Črn trn

Dynamic forest trail. Lot's of flow, more dirt than gravel surface.

Access Info

Park at quarry (5min from start of the trail). When you are at the end, access road goes on main road.

This trail is unsanctioned.

Recent Activity on Trail

Past Week
  • 1 rides
  • 21 miles average
6 Months
  • 32 rides
  • 21 miles avg distance
All
  • 173 rides
  • Last: Aug 31, 2026
c1c2c3c4
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Fonza Trail Reports

statusdatedescription
Aug 28, 2026 @ 10:54am (Europe/Ljubljana)
Aug 28, 2026
Aug 9, 2026 @ 4:48pm (Europe/Ljubljana)
Aug 9, 2026
 a bit loose but super cool !! one of the best trail of the area
Jul 27, 2026 @ 1:22pm (Europe/Ljubljana)
Jul 27, 2026
 Pretty dry and loose, but I suppose that´s how the trails are around here. The most tricky were probably the pine cones.
Jul 25, 2026 @ 11:42am (Europe/Ljubljana)
Jul 25, 2026
Jun 14, 2026 @ 2:32pm (Europe/Ljubljana)
Jun 14, 2026
more »
Status:
on Aug 28, 2026
Ideal
Avg: 4.61 (21 votes)
Your vote: 0

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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)
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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 Ridden
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  • < 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
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  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
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Jump Magnitude Heatmap
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BC Backroad Status

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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to fonza trailhead (45.934980, 13.869540)
        View on Discover Map

        Photos

        4 more »
        mtb
        70 |
        Jul 8, 2024 @ 6:41am
        Jul 8, 2024
        mtb
        120 |
        Feb 14, 2023 @ 8:08am
        Feb 14, 2023
        mtb
        180 |
        Apr 2, 2022 @ 12:15pm
        Apr 2, 2022
        mtb
        175 |
        Apr 2, 2022 @ 12:15pm
        Apr 2, 2022

        Videos

        4 more »
        MTB Klavdija&Fonza PREDMEJA 4K
        mtb
        270 | Apr 11, 2021 , Ajdovščina
        MTB Klavdija in Fonza szi Wajdušne 4K
        mtb
        5:55 | 337 | Apr 10, 2021 , Ajdovščina
        Ajdovščina Fonza & Resistance part 1
        mtb
        8:07 | 370 | Jan 24, 2020 , Ajdovščina
        MTB Slovenia / Ajdovscina - Fonza &...
        mtb
        15:45 | 488 | Feb 18, 2019 , Ajdovščina
        4.8 ★★★★★
        21 Ratings
        5 ★ 81%
        4 ★ 19%
        3 ★
        2 ★
        1 ★

        4 Reviews & Comments


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        Nearby Trails

        Vipavska dolina

        • #165390 - 2,871 views

        Frequently Asked Questions About Fonza

        ▼ Where is Fonza located?
        Fonza is located in Vipavska dolina, Ajdovščina, Slovenia. It is part of the Vipavska dolina trail network. The trailhead is located at coordinates 45.93498, 13.86954.
        ▼ How hard is Fonza?
        Fonza is rated as Blue difficulty. The physical rating is Easy. The average grade is 10.1%. The climb difficulty is rated Green.
        ▼ What is the elevation gain for Fonza?
        The trail has 323 ft of elevation descent. The elevation ranges from 2,147 ft to 2,470 ft.
        ▼ Is Fonza a point to point trail?
        Yes, Fonza is a point to point trail. The direction is Downhill Only. The trail type is mixed.
        ▼ How long is Fonza?
        Fonza is 3,205 ft long. The trail type is mixed.
        ▼ Are dogs allowed on Fonza?
        Yes, dogs are allowed on Fonza. Please keep dogs on a leash where required and clean up after them.
        ▼ When is the best time of year to ride Fonza?
        Based on activity log data, the most popular months to ride Fonza are:
        • May (12 activities)
        • February (4 activities)
        • August (3 activities)
        Check the reports page for current trail conditions.
        ▼ How do I access Fonza? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Fonza are: View all parking locations in the area.
        ▼ How long does it take to ride Fonza?
        Based on recorded activities, it takes an average of 3 minutes to ride Fonza. The trail is 3,205 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        ▼ How busy is Fonza?
        Fonza is a very popular trail. There have been 1,212 recorded activities on this trail. The trail has received 1,778 check-ins. View recent activity on this trail.

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