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Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
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The intended direction a trail should be ridden.
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Colors indicate trail is missing specified detail.
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Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
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Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
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Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.

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        Volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in south
        Links
        Activities Click to view
        Region Details
        • 7
        • 4
        • 32
        • 8
        • 1

        Region Status
        Open as of Jun 15, 2026
        Local Trail Association

        Stats

        Avg Trail Rating
        Trails (view details)
        52
        Trails Mountain Bike
        52
        Trails E-Bike
        26
        Trails Hike
        24
        Trails Trail Running
        23
        Trails Dirtbike/Moto
        1
        Trails ATV/ORV/OHV
        1
        Total Distance
        36 miles
        Total Descent Distance
        15 miles
        Total Descent
        2,831 ft
        Total Vertical
        1,011 ft
        Highest Trailhead
        1,018 ft
        Reports
        77
        Photos
        42
        Ridden Counter
        708
        Sub Regions

        Popular Guam Mountain Biking Trails

        60 5.0 2,546 ft 10 ft 22
        Moderately popular green difficulty family friendly singletrack. This mountain bike primary trail can be used one direction and has a easy overall physical rating with a 10 ft green climb. It features berm and bridge. Trail visibility is always easy to follow. On average it takes 4 minutes to complete this trail.
        85 5.0 676 ft 0 ft 20
        Popular green difficulty singletrack. This mountain bike primary trail can be used one direction and has a easy overall physical rating with a 0 ft green climb. It features jump and rock garden. Trail visibility is always easy to follow. On average it takes 1 minutes to complete this trail.
        L&M
        85 0.0 581 ft 2 ft 19
        Popular green difficulty singletrack. This mountain bike primary trail can be used one direction and has a moderate overall physical rating with a 2 ft green climb. It features berm and rock garden. Trail visibility is always easy to follow. On average it takes minutes to complete this trail.
        65 0.0 879 ft 0 ft 19
        Moderately popular green difficulty mixed. This mountain bike primary trail can be used one direction and has a easy overall physical rating with a 0 ft green climb. It features a-frame, rock garden, skinny and teeter totter. Trail visibility is always easy to follow. On average it takes 1 minutes to complete this trail.
        55 0.0 348 ft 3 ft 16
        Moderately popular green difficulty singletrack. This mountain bike primary trail can be used one direction and has a easy overall physical rating with a 3 ft green climb. It features berm. Trail visibility is always easy to follow. On average it takes 1 minutes to complete this trail.
        95 0.0 3,360 ft 46 ft 14
        Popular green difficulty singletrack. This mountain bike primary trail can be used one direction and has a easy overall physical rating with a 46 ft green climb. Trail visibility is sometimes hard to follow. On average it takes 6 minutes to complete this trail.
        85 0.0 3,648 ft 0 ft 14
        Popular green difficulty singletrack. This mountain bike primary trail can be used one direction and has a moderate overall physical rating with a 0 ft green climb. Trail visibility is always easy to follow. On average it takes 6 minutes to complete this trail.
        55 0.0 1,066 ft 17 ft 14
        Moderately popular green difficulty singletrack. This mountain bike primary trail can be used both directions and has a easy overall physical rating with a 17 ft green climb. Trail visibility is sometimes hard to follow. On average it takes 2 minutes to complete this trail.

        Recent Ride Log Activity in Region

        Today
        • 2 rides
        Yesterday
        • 0 rides
        Past Week
        • 4 rides

        Guam Mountain Bike Routes

        13 miles 1,297 ft 0
        Trail route that includes Charlie Corn, Channel 10 and Tank Farm. Route used by the annual Black Jack MTB...

        Photos of Guam Mountain Bike

        44 |
        Sep 12, 2022 @ 6:23pm
        Sep 12, 2022
        61 |
        Sep 12, 2022 @ 6:22pm
        Sep 12, 2022
        36 |
        Sep 12, 2022 @ 6:22pm
        Sep 12, 2022
        48 |
        Sep 12, 2022 @ 6:21pm
        Sep 12, 2022
        106 |
        Apr 14, 2022 @ 12:12pm
        Apr 14, 2022
        162 |
        Apr 14, 2022 @ 12:12pm
        Apr 14, 2022
        100 |
        Nov 24, 2021 @ 8:46pm
        Nov 24, 2021
        83 |
        May 31, 2021 @ 7:42am
        May 31, 2021
        L&M
        66 |
        May 31, 2021 @ 7:41am
        May 31, 2021
        68 |
        May 31, 2021 @ 7:41am
        May 31, 2021
        93 |
        May 31, 2021 @ 7:40am
        May 31, 2021
        69 |
        May 31, 2021 @ 7:09am
        May 31, 2021

        Videos of Guam Mountain Bike

        Hermit Crab and Ayuyu Bridge Trail
        3:49 | 66 | Nov 15, 2020
        Mt Alutom Falls DH run Guam
        2:29 | 384 | Apr 17, 2022 , Guam

        Recent Trail Reports

        Activity Feed

        usernameactiontypetitledate
        Vivamuswishlisttrailactivity #98979077
        Jul 11, 2026 @ 4:41pm
        Jul 11, 2026
        gjhickenaddreportactivity #97087739
        Jun 15, 2026 @ 10:06pm
        Jun 15, 2026
        Cmturner33wishlistregionactivity #71020732
        May 4, 2025 @ 3:38pm
        May 4, 2025
        belllapwishlisttrailactivity #67159454
        Mar 3, 2025 @ 10:41pm
        Mar 3, 2025
        belllapwishlisttrailactivity #67159453 and 1 more
        Mar 3, 2025 @ 10:41pm
        Mar 3, 2025

        Local Badges


        Activity Type Stats

        activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
        Mountain Bike5236 miles2,831 ft15 miles1,010 ft
        #3,675#1,250417713,114
        E-Bike2614 miles1,650 ft7 miles1,010 ft
        #5,736#1,7686792
        Hike2418 miles2,382 ft9 miles1,010 ft
        #8,144#2,870157171
        Trail Running2317 miles1,716 ft8 miles1,010 ft
        #8,086#2,6926536
        Dirtbike/Moto14 miles115 ft1 mile69 ft
        ATV/ORV/OHV14 miles115 ft1 mile69 ft

        Frequently Asked Questions About Guam

        What are the best places to ride in Guam?
        Guam has 4 areas to explore for mountain biking. The top rated areas are:
        What are the highest rated mountain biking trails in Guam?
        The highest rated mountain biking trails in Guam are: View all mountain biking trails sorted by rating.
        What is the best time of the year to ride in Guam?
        Based on ride log data, the most popular months to ride in Guam are:
        • November (13 activities)
        • April (12 activities)
        • September (10 activities)
        Check the Guam reports page for current trail conditions, recent trail reports, and seasonal information from the local community.
        Where can I park to ride in Guam?
        There are 10 parking locations listed in Guam. The most popular parking spots are: View all parking and trailhead locations on the map to plan your visit.
        • By Dirt-pilot & contributors
        • Admins: MOB
        • #16245 - 9,051 views

        Downloading of trail gps tracks in kml & gpx formats is enabled for Guam.
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