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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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Contribute Details
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.
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

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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        Lerma es un municipio y localidad española de la provincia de Burgos, en la comunidad autónoma de Castilla y León. Está situada sobre un altozano que domina la vega del río Arlanza. El término municipal cuenta con una población de 2609 habitantes (INE 2021). El casco histórico de la localidad, que también es conocida como «Villa Ducal de Lerma» al tener el título de villa, goza del estatus de bien de interés cultural, en la categoría de conjunto histórico.
        Links
        This region uses the Uk/Euro style trail grading system.
        Activities Click to view
        Region Details
        • 213
        • 1
        • 130
        • 8

        Region Status
        Open as of Oct 15, 2025

        Stats

        Avg Trail Rating
        Trails (view details)
        352
        Trails Mountain Bike
        364
        Trails E-Bike
        363
        Trails Hike
        363
        Trails Trail Running
        361
        Total Distance
        177 miles
        Total Descent Distance
        81 miles
        Total Descent
        14,495 ft
        Total Vertical
        1,749 ft
        Highest Trailhead
        4,291 ft
        Reports
        46
        Photos
        53
        Ridden Counter
        891
        Sub Regions

        Popular Lerma Mountain Biking Trails

        90 0.0 2,549 ft 10 ft 9
        Popular red difficulty singletrack. This multi-use trail can be used downhill only and has a moderate overall physical rating. It features berm, jump and rock garden. Trail visibility is always easy to follow. On average it takes 8 minutes to complete this trail.
        80 5.0 1,178 ft 2 ft 9
        Sin ciclar pero con rastros de calor y track de otras plataformas...se agradece comentario si la ciclas, Gracias
        85 5.0 3,320 ft 0 ft 9
        Sin ciclar pero con rastros de calor y track de otras plataformas...se agradece comentario si la ciclas, Gracias
        100 0.0 1 mile 90 ft 9
        Trail segun en que dirección la cojas, duro de subida y muy divertido y rápido de bajada
        95 0.0 4,649 ft 423 ft 9
        Popular blue difficulty mixed. This multi-use trail can be used both directions and has a moderate overall physical rating with a 423 ft blue climb. Trail visibility is always easy to follow.
        95 0.0 778 ft 35 ft 8
        Popular blue difficulty singletrack. This multi-use trail can be used both directions.
        85 0.0 2,421 ft 0 ft 8
        Trail de bajada con saltos y pasos de piedra
        65 0.0 2,546 ft 12 ft 8
        Sin ciclar pero con rastros de calor y track de otras plataformas...se agradece comentario si la ciclas, Gracias

        Recent Ride Log Activity in Region

        Today
        • 0 rides
        Yesterday
        • 0 rides
        Past Week
        • 1 rides

        Lerma Mountain Bike Routes

        38 miles 1,927 ft 2 Loop
        Descripción del itinerario Ruta para rodar muy tranquila que sube desde Lerma hasta las Mamblas de...
        44 miles 3,524 ft 4 Loop
        Salida desde Lerma hasta del Risco para ir por toda la cumbre pasando por los vértices geodésicos de La...
        81 miles 7,370 ft 4 Point to Point
        El Desafío De Helios ¿TE ATREVES A VENCER AL SOL? 28 DE ENERO DE 2023 El formato de la prueba es único...
        20 miles 1,663 ft 8
        La Ruta BTT de los Bosques del Arlanza transcurre en el interior de los Sabinares del Arlanza, a los pies...
        11 miles 602 ft 0 Loop
        En medio de los páramos castellanos, entre tierras de labor y no muy lejos del Valle del Río Arlanza se...

        Photos of Lerma Mountain Bike

        52 |
        Sep 15, 2025 @ 9:00am
        Sep 15, 2025
        24 |
        Sep 15, 2025 @ 9:00am
        Sep 15, 2025
        31 |
        Sep 15, 2025 @ 9:00am
        Sep 15, 2025
        32 |
        Sep 15, 2025 @ 9:00am
        Sep 15, 2025
        40 |
        Sep 15, 2025 @ 9:00am
        Sep 15, 2025
        33 |
        Sep 15, 2025 @ 9:00am
        Sep 15, 2025
        23 |
        Sep 15, 2025 @ 9:00am
        Sep 15, 2025
        25 |
        Sep 15, 2025 @ 9:00am
        Sep 15, 2025
        26 |
        Aug 18, 2023 @ 8:56am
        Aug 18, 2023
        22 |
        Aug 18, 2023 @ 8:56am
        Aug 18, 2023
        25 |
        Aug 18, 2023 @ 8:56am
        Aug 18, 2023
        26 |
        Aug 18, 2023 @ 8:56am
        Aug 18, 2023

        Recent Trail Reports

        statustraildateconditioninfouser
        Hayedo de Alba
        Sep 15, 2025 @ 6:03pm (Europe/Madrid)
        Sep 15, 2025
        Very DryComo todo lo de esta zona, esta muy...Crisjaca
        Ponton
        Sep 15, 2025 @ 5:51pm (Europe/Madrid)
        Sep 15, 2025
        DryComo todo lo de esta zona, esta muy...Crisjaca
        Urquiza
        Sep 15, 2025 @ 5:47pm (Europe/Madrid)
        Sep 15, 2025
        DryComo todo lo de esta zona, esta muy...Crisjaca
        Las Cencerradas
        Sep 15, 2025 @ 5:46pm (Europe/Madrid)
        Sep 15, 2025
        Very DryComo todo lo de esta zona, esta muy...Crisjaca
        Rozquemada
        Sep 15, 2025 @ 5:43pm (Europe/Madrid)
        Sep 15, 2025
        DryComo todo lo de esta zona, esta muy...Crisjaca
        Los Batanes
        Aug 19, 2025 @ 6:48am
        Aug 19, 2025
        IdealCrisjaca
        Garganchón-Desfiladero
        Aug 18, 2025 @ 7:30am
        Aug 18, 2025
        DryCrisjaca
        Bajo Regañado
        Aug 18, 2025 @ 7:27am
        Aug 18, 2025
        DryCrisjaca
        Conector
        Aug 18, 2025 @ 7:27am
        Aug 18, 2025
        DryMuy cerrado de vegetaciónCrisjaca
        Desfiladero Rïo Urbión
        Aug 18, 2025 @ 4:32am
        Aug 18, 2025
        Dryalgo de vegetación en algún punto, pero...Crisjaca

        Activity Feed

        usernameactiontypetitledate
        carlosG1kxiPriddentrailactivity #88820987
        Feb 13, 2026 @ 2:02am
        Feb 13, 2026
        Angelreingaddtrailactivity #84267968 and 1 more
        Nov 16, 2025 @ 1:03pm
        Nov 16, 2025
        Angelreingupdatetrailactivity #81863588
        Oct 6, 2025 @ 10:32pm
        Oct 6, 2025
        Crisjacaaddtrailactivity #80997069 and 3 more
        Sep 23, 2025 @ 10:26pm
        Sep 23, 2025
        Crisjacaaddtrailactivity #80514930 and 1 more
        Sep 16, 2025 @ 10:22pm
        Sep 16, 2025

        Recent Comments

        usernametypetitlecommentdate
        CrisjacatrailSomoroRampa final dura de subir incluso con e-Bike...
        Sep 16, 2025 @ 1:59am
        Sep 16, 2025
        CrisjacatrailRozquemadaComo todo lo de esta zona, esta muy perdido y...
        Sep 15, 2025 @ 8:43am
        Sep 15, 2025
        CrisjacatrailDesfiladero de la HozPara bici complicado, por ser estrecho y...
        Sep 15, 2025 @ 8:24am
        Sep 15, 2025
        CrisjacatrailLos BatanesEn inicio y final del trail si marca prohibido...
        Aug 19, 2025 @ 6:50am
        Aug 19, 2025
        CrisjacatrailPuras de Villafranca-MuladardoPista en buenas condiciones, se cicla bien, a...
        Aug 18, 2025 @ 7:02am
        Aug 18, 2025

        Local Badges


        Activity Type Stats

        activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
        Mountain Bike364177 miles14,495 ft81 miles1,749 ft
        #1,500#14149465560
        E-Bike363175 miles14,449 ft80 miles1,749 ft
        #511#150464147
        Hike363175 miles14,449 ft80 miles1,749 ft
        #881#12146122
        Trail Running361173 miles14,216 ft79 miles1,749 ft
        #634#11746111

        Frequently Asked Questions About Lerma

        What are the best places to ride in Lerma?
        Lerma has 1 areas to explore for mountain biking. The top rated areas are:
        What are the highest rated mountain biking trails in Lerma?
        The highest rated mountain biking trails in Lerma are: View all mountain biking trails sorted by rating.
        What is the best time of the year to ride in Lerma?
        Based on ride log data, the most popular months to ride in Lerma are:
        • December (7 activities)
        • October (3 activities)
        • January (1 activities)
        Check the Lerma reports page for current trail conditions, recent trail reports, and seasonal information from the local community.
        Where can I park to ride in Lerma?
        Check the Lerma trail map for trailhead and parking information. Community members regularly update access and parking details for trails in the area.
        • By CrisjacaTF Pro & contributors
        • Admins: juanx, Angelreing, VidalMontaneroEsgallero
        • #53430 - 1,579 views

        Downloading of trail gps tracks in kml & gpx formats is enabled for Lerma.
        You must login to download files.