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1,017 ft
Distance
13 ft
Climb
-16 ft
Descent
00:02:08
Avg time
-4 ft
Altitude change
1,539 ft
Altitude min
1,555 ft
Altitude max
1,555 ft
Altitude start
1,552 ft
Altitude end
-0.4%
Grade
-10.8%
Grade max
7.9%
Grade min
305 ft
Distance climb
230 ft
Distance down
144 ft
Distance flat
00:02:08
Avg time
Under C13 Details
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Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
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Riding Area
-
Ref Number#150
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Difficulty Rating
-
Local Popularity100 in Mountain Biking [+]
- 100 in E-Biking
- 85 in Trail Running
- 100 in Hiking
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Trail TypeSingletrack
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Bike TypeAM, XC
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DirectionDownhill PrimaryPopular Direction Shown
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Climb DifficultyBlue
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Physical RatingEasy
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Trail VisibilityAlways easy to follow
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Dogs AllowedYes
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eBike AllowedYes up to Class 1
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Land OwnerAssociació Lo Podall
Sender per enllaçar el ZZ Top amb la zona de la presa. Passa per un petit tunel.
Local Trail Association
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Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Recent Activity on Trail
Past Week
- 8 rides
- 21 miles average
6 Months
- 59 rides
- 23 miles avg distance
All
- 438 rides
- Last: Oct 17, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Under C13 Trail Reports
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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.
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
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
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
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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.
Slope Aspect
Direction the slope faces
Trails Deemphasized
Trails are shown in grey.
Only show trails with no bike usage.
Suggested Layers
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Directions to under-c13 trailhead
(42.189000, 0.904410)
Photos
No photos have been added for Under C13 yet, add a photo.
Videos
1 more »
mtb
0:41 |
320 |
Jun 14, 2023 , Tremp
Routes with this trail
★ 5.0 • 16 miles • 2,441 ft • 5 • Loop •
Ruta cap a Roques Pelades passant per altres trails interessants. ESP: Ruta que va a Roques pelades y que...
★ 5.0 • 20 miles • 3,685 ft • 11 • Loop •
Ruta que ens porta per sender i pista a la part alta de la Serra de Gurp (1404m) per despres fer una...
★ 5.0 • 16 miles • 2,802 ft • 14 • Loop •
Ruta que ens porta al Trail dels Escorpins. Passant per la font de Talarn, Baixada pel ZZ Top fins anar a...
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Nearby Trails
- Pujada A Sta Engracia 213 ft
- Enllaç Ponts De Pedra 463 ft
- Camí Del Raig 495 ft
- Sortida Del Sílex 774 ft
- Zz Top 1,198 ft
Territori Lo Podall Tremp
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