1,816 ft
Distance
6 ft
Climb
-444 ft
Descent
00:07:17
Avg time

4 Bis Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Hike
    • Trail Running
  • Riding Area
    Parco Regionale Castelli Romani
    Rocca di Papa
  • Difficulty Rating
    Black Diamond rate
  • Trail Type
    Singletrack
  • Bike Type
    DH, AM
  • Trail Usage
    Biking Primary
  • Direction
    Downhill Only
    Popular direction shown
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes
  • TTFs on Trail
    Berm, Drop, Jump
  • Local Popularity
    60 in Mountain Biking [+]
    • 5 in E-Biking
    • 5 in Trail Running
    • 5 in Hiking

No description for 4 Bis trail has been added yet! Submit one here.

More Stats for 4 Bis mountain bike trail
  • Altitude change
    -438 ft
  • Altitude min
    2,501 ft
  • Altitude max
    2,938 ft
  • Altitude start
    2,938 ft
  • Altitude end
    2,501 ft
  • Grade
    -24.095%
  • Grade max
    -67.627%
  • Grade min
    17.154%
  • Distance climb
    34 ft
  • Distance down
    1,782 ft
  • Avg time
    00:07:17
  • view trail stats
Status:
on Oct 12, 2019
Dry
no votes yet

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  • Layers  w
  • Basemap 
  • Trail Style 
    • ?
  • Activity Type  
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail 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%
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
ContributeDetails
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

LEGEND
Trail Difficulties
  • Access Road/Trail
  • White
  • Green
  • Blue
  • Black
  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed

  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
  • Map Markers
  • trail Trail Head
  • photo Photo
  • place Directory Listing
  • region Riding Area
  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      Directions to 4-bis trailhead (41.749950, 12.707520)
      update trails status or condition

      4 Bis Trail Reports

      statusdatedescription
      Oct 12, 2019 @ 7:12am
      Oct 12, 2019
      		 Secco e molto rovinato. Hanno creato dei tratti nuovi ma il terreno non è ancora compatto
      Sep 14, 2019 @ 12:00pm
      Sep 14, 2019
      		 Trail rovinato, scavato, secco e sporco. Sono in costruzione innumerevoli varianti ma si snaturano le difficoltà del 4 originario.
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 1 rides
      • 30 miles avg distance
      6 Months
      • 15 rides
      • 15 miles avg distance
      All
      • 0 rides
      •  

      Photos

      more »
      26 |
      Apr 24, 2019 @ 7:31am
      Apr 24, 2019
      17 |
      Apr 24, 2019 @ 7:30am
      Apr 24, 2019
      19 |
      Apr 24, 2019 @ 7:28am
      Apr 24, 2019

      Trail Lists

      Reviews / Comments

      No reviews yet, be the first to write a review or ask a question.
      Use trail reports to comment on trail conditions.


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      Nearby Trails

      Parco Regionale Castelli Romani

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