more stats
3,402 ft
Distance
7 ft
Climb
-642 ft
Descent
00:10:04
Avg time
-635 ft
Altitude change
1,029 ft
Altitude min
1,664 ft
Altitude max
1,664 ft
Altitude start
1,029 ft
Altitude end
-18.668%
Grade
-41.535%
Grade max
4.562%
Grade min
166 ft
Distance climb
3,148 ft
Distance down
88 ft
Distance flat
00:10:04
Avg time

Gnarnia Details

  • Activities
    • Mountain Bike
  • Riding Area
    Exchequer Mountain Bike Park
    Merced, California
  • Difficulty Rating
  • Voted Difficulty
    Double Black Diamond (2 votes)
  • Local Popularity
    70 in Mountain Biking
  • Global Ranking
    #76786 in Mountain Biking
  • Trail Type
    Singletrack
  • Bike Type
    DH, AM
  • Direction
    Downhill Primary
    Popular Direction Shown
  • Dogs Allowed
    Yes
  • TTFs on Trail
    Berm, Drop, Jump, Gap Jump, Rock Face, Rock Garden
  • Year Opened
    2017

Gnarnia is challenging DH run. The terrain is rough and raw with features including drops, steeps, jumps, gaps, rocks, and berms. Hiking or sessioning the trail first is highly recommended.

Disclaimer

Look before you leap. Ride within your ability.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 19 rides
  • 14 miles avg distance
All
  • 67 rides
  • Last: May 29, 2026
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Gnarnia Trail Reports

statusdatedescription
Mar 4, 2025 @ 1:31pm
Mar 4, 2025
Oct 16, 2023 @ 10:42am
Oct 16, 2023
Dry conditions
Feb 18, 2023 @ 10:39pm
Feb 18, 2023
Puddle halfway down
Jan 10, 2022 @ 8:21am
Jan 10, 2022
sometimes perfect dirt, other times rutted and muddy. needs catch berm work in some places.
Nov 26, 2021 @ 8:57pm
Nov 26, 2021
more »
Status:
on Mar 4, 2025
Dry
Avg: 4.04 (18 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
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The intended direction a trail should be ridden.
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  • Downhill Primary
  • Both Directions
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  • One Direction
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  • Videos
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Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
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 gnarnia trailhead (37.627080, -120.300020)

        Photos

        15 more »
        636 |
        Apr 17, 2019 @ 11:33pm
        Apr 17, 2019
        613 |
        Apr 17, 2019 @ 11:17pm
        Apr 17, 2019
        66 |
        Apr 22, 2025 @ 9:38pm
        Apr 22, 2025
        70 |
        Apr 22, 2025 @ 9:38pm
        Apr 22, 2025

        Videos

        7 more »
        youtuber Exchequer Bike Trails (Mariposa County, CA)...
        16:25 | 1023 | Jan 23, 2018 , Merced
        youtuber I MADE IT TO GNARNIA | Exchequer Mountain Bike...
        15:54 | 1310 | Mar 2, 2018 , Merced
        Exchequer Enduro 2022 Gnarnia
        3:44 | 447 | Apr 7, 2022 , Merced
        Exchequer: The Comicals of Gnarnia
        2:59 | 450 | Apr 14, 2021 , Merced

        Routes with this trail

        8 miles 1,657 ft 5
        exchequer enduro: https://www.bearraceevents.com/exchequerextravaganza
        3,891 ft 1 Race
        SJSU Proline Downhill Race Course

        3 Reviews & Comments


        We hope you've been enjoying Trailforks!

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        • By bchristiTF Pro & contributors
        • #81960 - 7,167 views

        Frequently Asked Questions About Gnarnia

        Where is Gnarnia located?
        Gnarnia is located in Exchequer Mountain Bike Park, Merced, California, United States. It is part of the Exchequer Mountain Bike Park trail network. The trailhead is located at coordinates 37.62708, -120.30002.
        How hard is Gnarnia?
        Gnarnia is rated as Double Black Diamond difficulty. The average grade is 18.668%.
        What is the elevation gain for Gnarnia?
        Gnarnia has 7 ft of elevation gain. The trail has 642 ft of elevation descent. The elevation ranges from 1,029 ft to 1,664 ft.
        Is Gnarnia a point to point trail?
        Gnarnia is not a point to point trail. The direction is Downhill Primary. The trail type is singletrack.

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