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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)
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
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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
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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.
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      La Sierra Oeste se sitúa en la parte suroccidental de la Comunidad de Madrid, donde predomina el relieve montañoso que da paso a otras zonas más bajas por las que discurren los ríos Alberche y Perales. La variedad de paisajes, así como el relieve y las especies vegetales que se pueden observar, son muy valiosos ya que esta comarca discurre entre los 500 y 1500 metros de altitud.

      Esta comarca informal transcurre entre las últimas estribaciones de la sierra de Guadarrama y las primeras elevaciones de la sierra de Gredos, en el extremo suroeste de la provincia. La vegetación predominante en esta comarca son los bosques de coníferas, cuya especie más destacada es el pino piñonero. En sus laderas también crecen encinas, alcornoques, enebros, melojos y castaños, formando un típico paraje del bosque mediterráneo.

      El clima de la Sierra Oeste es mediterráneo continental con rasgos de clima de montaña, con abundantes precipitaciones todo el año menos en verano. Los inviernos suelen ser fríos, con heladas y nevadas ocasionales.
      source: Wikiwand
      This region uses the Uk/Euro style trail grading system.
      Activities Click to view
      Region Details
      • 59
      • 7
      • 37
      • 9

      Stats

      Avg Trail Rating
      Trails (view details)
      112
      Trails Mountain Bike
      112
      Trails E-Bike
      112
      Trails Horse
      50
      Trails Hike
      112
      Trails Trail Running
      112
      Total Distance
      94 miles
      Total Descent Distance
      49 miles
      Total Descent
      19,073 ft
      Total Vertical
      2,185 ft
      Highest Trailhead
      3,831 ft
      Reports
      84
      Photos
      17
      Ridden Counter
      1,988

      Popular Sierra Oeste Mountain Biking Trails

      statustitledifficultyrating
      El Vertice
      San Martín de Valdeiglesias
      Virgen de la Nueva
      Embalse de San Juan
      Air Time
      Embalse de San Juan
      Flow a La Romería
      Embalse de San Juan
      El Gato
      Embalse de San Juan
      Trasierra Este
      Embalse de San Juan
      El Ruso
      Embalse de San Juan
      Los Pinos
      Embalse de San Juan
      El Tubo
      Embalse de San Juan
      Acceso Cerro Cabrillas
      Embalse de San Juan
      Navaoncil
      Embalse de San Juan
      Gran Losa
      Embalse de San Juan
      Parking Costa de Madrid
      Embalse de San Juan
      Las Zetas de Pelayos
      Embalse de San Juan
      Viper
      Embalse de San Juan

      Sierra Oeste Mountain Bike Routes

      titleratingdistance
      Lo mejor de San Martin de Valdeiglesias
      Embalse de San Juan
      17 miles
      Endurama 2018 - San Martin de Valdeiglesias race
      Embalse de San Juan
      19 miles
      Endurama San Martín de Valdeiglesias 2023 race
      San Martín de Valdeiglesias
      16 miles

      Recent Ride Log Activity in Region

      Today
      • 0 rides
      Yesterday
      • 0 rides
      Past Week
      • 3 rides

      Photos of Sierra Oeste Mountain Bike

      trail: The Slabs
      14 |
      May 15, 2023 @ 8:00am
      May 15, 2023
      trail: El Mirador
      12 |
      May 15, 2023 @ 7:56am
      May 15, 2023
      trail: Pelayos Drops
      14 |
      May 15, 2023 @ 7:56am
      May 15, 2023
      trail: The River
      45 |
      May 15, 2023 @ 7:54am
      May 15, 2023
      trail: The River
      11 |
      May 15, 2023 @ 7:54am
      May 15, 2023
      trail: The River
      13 |
      May 15, 2023 @ 7:54am
      May 15, 2023
      39 |
      Dec 21, 2022 @ 10:11am
      Dec 21, 2022
      35 |
      Feb 15, 2021 @ 6:46am
      Feb 15, 2021

      Videos of Sierra Oeste Mountain Bike

      Las Zetas de Pelayos
      16 | Apr 2, 2021
      Wildboars Riders - 'El Tubo'
      trail: El Tubo
      0:31 | 56 | Nov 9, 2017
      youtuber Bienvenidos al Far West Endurero ​ Living...
      trail: Air Time
      9:30 | 29 | Jan 16, 2025 , San Martín de Valdeiglesias
      youtuber Bienvenidos al Far West Endurero ​ Living...
      9:30 | 22 | Jan 16, 2025 , San Martín de Valdeiglesias
      youtuber Bienvenidos al Far West Endurero ​ Living...
      9:30 | 23 | Jan 16, 2025 , San Martín de Valdeiglesias
      youtuber Bienvenidos al Far West Endurero ​ Living...
      trail: El Ruso
      9:30 | 22 | Jan 16, 2025 , San Martín de Valdeiglesias
      youtuber Bienvenidos al Far West Endurero ​ Living...
      9:30 | 22 | Jan 16, 2025 , San Martín de Valdeiglesias
      youtuber Bienvenidos al Far West Endurero ​ Living...
      9:30 | 18 | Jan 16, 2025 , San Martín de Valdeiglesias

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      elyaririddentrailactivity #67925650
      Mar 17, 2025 @ 10:40am
      3 days
      elyaririddentrailactivity #67925646 and 3 more
      Mar 17, 2025 @ 10:40am
      3 days
      Ricardo95gcvotetrailactivity #67077482
      Mar 2, 2025 @ 10:42am
      Mar 2, 2025
      LivingEnduroaddvideoactivity #64687009 and 7 more
      Jan 16, 2025 @ 9:24am
      Jan 16, 2025
      JulianpI6fW3wishlistrouteactivity #64669966
      Jan 15, 2025 @ 10:49pm
      Jan 15, 2025

      Recent Comments

      usernametypetitlecommentdate
      LuisWGdH9CtrailMolino de Los RodelesHay una valla con una puerta que se puede abrir.
      May 15, 2023 @ 7:39am
      May 15, 2023
      jevi19trailLas Zetas de PelayosUna de las mejores bajadas de la zona de...
      Apr 4, 2021 @ 2:27am
      Apr 4, 2021

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike11294 miles19,075 ft49 miles2,185 ft
      108431,988
      E-Bike11294 miles19,075 ft49 miles2,185 ft
      843168
      Horse5064 miles7,835 ft28 miles1,309 ft
      Hike11294 miles19,075 ft49 miles2,185 ft
      8430
      Trail Running11294 miles19,075 ft49 miles2,185 ft
      845
      • By not-reallyTF Pro TFSPAIN & contributors
      • Admins: mul0w, elyari, AMG, juanx, Angelreing, Kalamarrrrrdo, not-really
      • #54826 - 356 views

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