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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 activity logs 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 users are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Used
Trailforks scans activity logs 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 activity logs 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 activities = more kinetic energy = warmer colors.
  • most popular
  • popular
  • less popular
  • not popular
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Activity Recordings
Trailforks uses anonymized public activity data. ?
Activity Recordings
Trailforks uses anonymized public activity data. ?
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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 users 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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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
Trails Deemphasized
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        Orsay trails and routes are listed on Trailforks with interactive trail maps, difficulty ratings, photos, and user-reported trail conditions. Supported activity types include Mountain Biking, Trail Running, Hiking, E-Biking and Adaptive Biking.
        This is an auto-generated description of Orsay. Login or register to submit a custom description.
        This region uses the Uk/Euro style trail grading system.
        Activities Click to view
        Region Details
        • 7
        • 7
        • 33
        • 1
        • 4

        Region Status
        Open as of 1 day

        Stats

        Avg Trail Rating
        Trails (view details)
        52
        Trails Mountain Bike
        52
        Trails E-Bike
        45
        Trails Gravel Bike
        8
        Trails Adaptive Bike
        5
        Trails Winter Fat Bike
        6
        Trails Horse
        1
        Trails Hike
        51
        Trails Trail Running
        52
        Total Distance
        54 miles
        Total Descent
        5,665 ft
        Total Vertical
        414 ft
        Highest Trailhead
        629 ft
        Reports
        11
        Photos
        18
        Completed Counter
        680

        Popular Orsay Mountain Biking Trails

        35 0.0 2,175 ft 52 ft 29
        Less popular blue difficulty singletrack. This mountain bike primary trail and has a easy overall physical rating with a 52 ft green climb. On average it takes 4 minutes to complete this trail.
        100 0.0 791 ft 0 ft 29
        Popular black difficulty singletrack. This mountain bike primary trail can be used downhill only and has a moderate overall physical rating. Trail visibility is always easy to follow. On average it takes 2 minutes to complete this trail.
        75 0.0 1 mile 48 ft 28
        Popular blue difficulty singletrack. This mountain bike primary trail can be used both directions and has a moderate overall physical rating with a 48 ft blue climb. On average it takes 7 minutes to complete this trail.
        95 0.0 1 mile 166 ft 28
        Popular blue difficulty singletrack. This mountain bike primary trail can be used both directions and has a moderate overall physical rating with a 166 ft blue climb. On average it takes 9 minutes to complete this trail.
        5 0.0 3,665 ft 37 ft 24
        Less popular blue difficulty singletrack. This mountain bike primary trail can be used both directions and has a moderate overall physical rating with a 37 ft blue climb. On average it takes 5 minutes to complete this trail.
        40 0.0 1 mile 12 ft 21
        Moderately popular blue difficulty singletrack. This mountain bike primary trail can be used both directions and has a moderate overall physical rating with a 12 ft blue climb. On average it takes 6 minutes to complete this trail.
        75 0.0 3,865 ft 69 ft 21
        Popular blue difficulty singletrack. This mountain bike primary trail can be used both directions and has a easy overall physical rating with a 69 ft green climb. On average it takes 4 minutes to complete this trail.
        50 0.0 1,076 ft 0 ft 20
        Moderately popular blue difficulty singletrack. This mountain bike primary trail can be used both directions. On average it takes minutes to complete this trail.

        Recent Ride Log Activity in Region

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

        Orsay Mountain Bike Routes

        25 miles 1,813 ft 0 Out & Back
        A loop around Saint Remy de Chevreuse in Ile de France
        8 miles 328 ft 0 Point to Point
        Un itinieraire sur Bligny en ile de France

        Photos of Orsay Mountain Bike

        mtb
        78 |
        Oct 1, 2023 @ 7:15am
        Oct 1, 2023
        mtb
        45 |
        Oct 1, 2023 @ 7:12am
        Oct 1, 2023
        mtb
        47 |
        May 7, 2023 @ 4:02am
        May 7, 2023
        mtb
        50 |
        May 7, 2023 @ 4:02am
        May 7, 2023
        mtb
        66 |
        May 7, 2023 @ 4:02am
        May 7, 2023
        mtb
        51 |
        May 7, 2023 @ 3:59am
        May 7, 2023
        mtb
        54 |
        Apr 28, 2023 @ 11:00am
        Apr 28, 2023
        mtb
        40 |
        Apr 28, 2023 @ 10:59am
        Apr 28, 2023
        mtb
        45 |
        Apr 28, 2023 @ 10:59am
        Apr 28, 2023
        mtb
        33 |
        Apr 28, 2023 @ 10:59am
        Apr 28, 2023
        mtb
        113 |
        Oct 14, 2019 @ 9:37am
        Oct 14, 2019
        report
        mtb
        30 |
        May 7, 2023 @ 3:51am
        May 7, 2023

        Videos of Orsay Mountain Bike

        Descent du chemin du Canal
        mtb
        0:33 | | Jul 11, 2023
        Descente de la Tête Ronde exciting
        mtb
        0:25 | 166 | Jul 11, 2023 , Orsay
        Montee tete ronde
        mtb
        0:34 | 77 | Jul 11, 2023 , Orsay
        Chemin du Canal
        mtb
        0:33 | 146 | Jul 11, 2023 , Orsay
        Grimper Chemin de la Fabrique
        mtb
        2:58 | 187 | Jun 19, 2023 , Orsay

        Recent Trail Reports

        Activity Feed

        usernameactiontypetitledate
        Sideralisaddreportactivity #103242992
        Sep 6, 2026 @ 11:41pm
        9 hours
        geekitusaddreportactivity #97977833
        Jun 28, 2026 @ 4:50am
        Jun 28, 2026
        farmergillesaddreportactivity #95565926
        May 26, 2026 @ 8:18am
        May 26, 2026
        ClemFwishlisttrailactivity #85991126
        Dec 24, 2025 @ 7:19am
        Dec 24, 2025
        ac95riddentrailactivity #84303920 and 1 more
        Nov 17, 2025 @ 9:57am
        Nov 17, 2025

        Recent Comments

        usernametypetitlecommentdate
        metramotrailRue de Paris PlateauDangereux traversée de route sans visibilité...
        Oct 1, 2023 @ 7:06am
        Oct 1, 2023
        metramotrailMagny-Chateufort-Rondpoint Chemin de la FabriqueEviter la route et bien grimper !!!
        Apr 28, 2023 @ 10:32am
        Apr 28, 2023

        Local Badges


        Activity Type Stats

        activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesactivity logs
        Mountain Bike5254 miles5,666 ft23 miles413 ft
        #3,070#87181122,176
        E-Bike4552 miles5,292 ft22 miles413 ft
        #3,265#2059182
        Gravel Bike88 miles518 ft4 miles262 ft
        #7,843#309156
        Adaptive Bike55 miles433 ft2 miles236 ft
        #4,988#267
        Winter Fat Bike63 miles509 ft2 miles253 ft
        #7,843#3092
        Horse11 mile187 ft3,537 ft167 ft
        Hike5154 miles5,640 ft23 miles413 ft
        #4,930#1611129
        Trail Running5254 miles5,666 ft23 miles413 ft
        #4,265#14311559

        Frequently Asked Questions About Orsay

        What are the highest rated mountain biking trails in Orsay?
        What is the best time of the year to ride in Orsay?
        Based on activity log data, the most popular months to ride in Orsay are:
        • October (49 activities)
        • September (47 activities)
        • March (37 activities)
        Check the Orsay reports page for current trail conditions, recent trail reports, and seasonal information from the local community.
        Where can I park to ride in Orsay?
        Check the Orsay trail map for trailhead and parking information. Community members regularly update access and parking details for trails in the area.
        What is the longest trail in Orsay?
        The longest trail in Orsay is Plateau des Moulons at 4.5 miles. View all trails sorted by distance.
        • By Alainle & contributors
        • Admins: apply
        • #29920 - 1,587 views

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