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17.6 miles
Distance
3,893 ft
Climb
-3,936 ft
Descent
3,312 ft
High Point
-43 ft
Altitude change
2,124 ft
Altitude min
2,319 ft
Altitude start
2,277 ft
Altitude end
-62.2%
Grade max
97%
Grade min
8 miles
Distance climb
7 miles
Distance down
2 miles
Distance flat
a ride for another 'nother day
Detailed Description
Westside-Alpine Loop is a 18 mile popular intermediate route located near Whistler British Columbia. This mountain bike only route. This route includes 28 trails. This route climbs 3,893 ft with a max elevation of 3,312 ft then descends -3,936 ft.
Trail Issues on Route
- Closed: 1 trail (newest: Oct 1, 2026)
- Minor Issue / Yellow: 1 trail (newest: Sep 22, 2026)
Local Trail Association
Please consider joining or donating to the local riding association to support trail development & maintenance.
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Trail Products
-
WORCA Trail DonationTrail Pass
Stats
-
Distance18 miles
-
Avg time6 hr 3 min
-
Altitude change-43 ft
-
Altitude min2,124 ft
-
Altitude start2,319 ft
-
Altitude end2,277 ft
-
Climb3,893 ft
-
Descent-3,936 ft
-
Grade max-62.2%
-
Grade min97%
-
Distance climb8 miles
-
Distance down7 miles
-
Distance flat2 miles
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Trails in Route
| 778 ft | |||||
| 2,851 ft | |||||
| 1,749 ft | |||||
| 1,073 ft | |||||
| 869 ft | |||||
| 1,427 ft | |||||
| 2,277 ft | |||||
| 755 ft | |||||
| 3,278 ft | |||||
| 2,116 ft | |||||
| 3,107 ft | |||||
| 1,650 ft | |||||
| 906 ft | |||||
| 217 ft | |||||
| 2,119 ft | |||||
| 522 ft | |||||
| 2,516 ft | |||||
| 1 mile | |||||
| 2,133 ft | |||||
| 3,291 ft | |||||
| 1,545 ft | |||||
| 246 ft | |||||
| 1,696 ft | |||||
| 945 ft | |||||
Details
-
Riding area
-
Primary ActivityMountain Bike
-
Difficulty ratingBlue
close
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
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US Cell Coverage
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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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Trail transparency
- Singletrack
- Unpaved
Photos
Videos
mtb
Whistler MTB | A River Runs Through It & Working Class | Dirt Report
trail: A River Runs Through It
2:59 | 19 | comments: 0 | favs:
Sep 24, 2026
mtb
Whistler MTB | A River Runs Through It & Working Class | Dirt Report
trail: Working Class
2:59 | 19 | comments: 0 | favs:
Sep 24, 2026
Recent Trail Reports Along Route
more reports »
- By kpohran10
WORCA & contributors - #39463 - 815 views
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