close
3D
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)
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.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
  • < 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
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
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.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
cell carrier legend

Radar Time
x Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
  • Snowmobile
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x Missing Trails
Most Popular
Least Popular
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.
Trails Deemphasized
Trails are shown in grey.
disable
Only show trails with NO bikes.
enable

Save the current map location and zoom level as your default home location whenever this page is loaded.

Save
      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
      • 147
      • 1
      • 114
      • 7

      Region Status
      Open as of Aug 27, 2024

      Stats

      Avg Trail Rating
      Trails (view details)
      269
      Trails Mountain Bike
      270
      Trails E-Bike
      269
      Trails Hike
      268
      Trails Trail Running
      266
      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
      35
      Photos
      37
      Ridden Counter
      628
      Sub Regions

      Photos of Lerma Mountain Bike

      trail: Los saltos
      10 |
      Aug 18, 2023 @ 8:56am
      Aug 18, 2023
      trail: Los saltos
      9 |
      Aug 18, 2023 @ 8:56am
      Aug 18, 2023
      trail: Los saltos
      10 |
      Aug 18, 2023 @ 8:56am
      Aug 18, 2023
      trail: Los saltos
      9 |
      Aug 18, 2023 @ 8:56am
      Aug 18, 2023
      trail: Los saltos
      9 |
      Aug 18, 2023 @ 8:56am
      Aug 18, 2023
      trail: Los saltos
      11 |
      Aug 18, 2023 @ 8:56am
      Aug 18, 2023
      trail: Los saltos
      12 |
      Aug 18, 2023 @ 8:56am
      Aug 18, 2023
      trail: Los saltos
      12 |
      Aug 18, 2023 @ 8:56am
      Aug 18, 2023

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      Angelreingupdatetrailactivity #73426641 and 3 more
      Jun 9, 2025 @ 9:28am
      Jun 9, 2025
      Crisjacaaddtrailactivity #73422872 and 18 more
      Jun 9, 2025 @ 8:27am
      Jun 9, 2025
      Crisjacacommenttrailactivity #73322577 and 1 more
      Jun 8, 2025 @ 1:22am
      Jun 8, 2025
      Angelreingupdateregionactivity #70433587
      Apr 26, 2025 @ 12:57pm
      Apr 26, 2025
      Angelreingaddtrailactivity #65418605 and 3 more
      Jan 30, 2025 @ 8:42am
      Jan 30, 2025

      Recent Comments

      usernametypetitlecommentdate
      CrisjacatrailPontonEn vista satelite se ve casi todo doubletrack,...
      Jun 8, 2025 @ 1:23am
      Jun 8, 2025
      CrisjacatrailBajo RegañadoEn vista satelite se ve todo doubletrack, otra...
      Jun 8, 2025 @ 1:22am
      Jun 8, 2025
      mililermatrailLos saltosSendero técnico llamado por los de la zona...
      Aug 18, 2023 @ 9:01am
      Aug 18, 2023
      mililermatrailSantuarioEsta senda se llama "el santuario" bajada de...
      Aug 13, 2023 @ 5:14am
      Aug 13, 2023
      mililermatrailSierra CulebraEste sendero, se llama "sierra culebra" se...
      Aug 13, 2023 @ 5:10am
      Aug 13, 2023

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike270177 miles14,495 ft81 miles1,749 ft
      #53633355426
      E-Bike269175 miles14,449 ft80 miles1,749 ft
      #40935494
      Hike268175 miles14,449 ft80 miles1,749 ft
      #43135116
      Trail Running266173 miles14,216 ft79 miles1,749 ft
      #4283516
      • By CrisjacaTF Pro & contributors
      • Admins: juanx, Angelreing, VidalMontaneroEsgallero
      • #53430 - 1,142 views

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