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1,752 ft
Distance
-305 ft
Descent
00:01:21
Avg time
-305 ft
Altitude change
4,997 ft
Altitude min
5,302 ft
Altitude max
5,302 ft
Altitude start
4,997 ft
Altitude end
-17.4%
Grade
-58.4%
Grade max
-4%
Grade min
1,752 ft
Distance down
00:01:21
Avg time
PRIMEline (Lower) Details
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Activities
- Mountain Bike
- E-Bike
-
Riding AreaBike Kingdom Park
Arosa Lenzerheide -
Difficulty Rating
-
Trail StyleFreeride
-
Voted DifficultyProline (1 vote)
-
Local Popularity100 in Mountain Biking [+]
- 95 in E-Biking
-
Global Ranking
-
National Ranking
-
Trail TypeMachine Groomed
-
Bike TypeDH, AM
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DirectionDownhill Only[+]Popular Direction Shown
- Downhill Only for E-Biking
-
eBike AllowedYes up to Class 1
-
TTFs on TrailBerm, Jump
Lower section of PRIMEline continues after taking a left turn on the hardpack wide track. Big berms that are a bit tight in spots, but you can keep speed if get totally horizontal.
Bike Park
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 247 rides
- 27 miles avg distance
All
- 761 rides
- Last: Sep 20, 2026
PRIMEline (Lower) Trail Reports
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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 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
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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
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Only show trails with no bike usage.
Suggested Layers
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Directions to primeline-lower trailhead
(46.738670, 9.561510)
Photos
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Trail Lists
-
Bike Kingdom - MTB Only Tracks
13 trails
Routes with this trail
Furcletta Welschtobel Featured
★ 5.0 • 23 miles • 9,163 ft • 13 • Loop •
This route is one of the highlights of the region. A demanding enduro route with a unique nature and...
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Trailforks & contributors - #153012 - 1,193 views
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