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1,909 ft
Distance
193 ft
Climb
-2 ft
Descent
00:07:47
Avg time
191 ft
Altitude change
2,874 ft
Altitude min
3,065 ft
Altitude max
2,874 ft
Altitude start
3,064 ft
Altitude end
10%
Grade
-6.3%
Grade max
45.6%
Grade min
1,565 ft
Distance climb
236 ft
Distance down
108 ft
Distance flat
00:07:47
Avg time
Sirloin Details
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Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
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Riding AreaWestside - Sproatt
Whistler, British Columbia -
Difficulty Rating
-
Local Popularity
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Global Ranking
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Provincial Ranking#4,554 in Mountain Biking · British Columbia [+]
- #772 in E-Biking
- #7,971 in Trail Running
- #5,110 in Hiking
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Trail TypeSingletrack
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Bike TypeAM, XC
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DirectionUphill PrimaryPopular Direction Shown
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Climb DifficultyBlack Diamond
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Physical RatingHard
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Dogs AllowedYes
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eBike AllowedYes up to Class 1
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TTFs on TrailBridge
A short, steep access from the top of Stonebridge Drive to the Flank trail
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.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 531 rides
- 15 miles avg distance
All
- 3,588 rides
- Last: Nov 6, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Sirloin 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)
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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.
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- 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.
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Activity Recordings
Trailforks uses anonymized public activity data.
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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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Directions to sirloin trailhead
(50.115430, -122.999830)
Photos
6 more »
Videos
1 more »
mtb
16:15 |
280 |
Jul 30, 2024 , Whistler
Routes with this trail
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★ 3.7 • 14 miles • 3,701 ft • 11 •
Easier option to access Lord of the Squirrels loop.
★ 3.5 • 5,042 miles • 31,861 ft • 14 • Loop •
*****Visit the WORCA website or navigate to this page http://www.worca.com/sproatt-alpine-multi-use-trail/...
★ 4.2 • 13 miles • 1,896 ft • 41 • Loop •
A Sample of Whistler's Westside Working class is an advanced technical trail featuring several rockfaces,...
Trail Products
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WORCA Trail DonationTrail Pass
aaronkoenig
Steep rooty climb trail that just got a bit easier thanks to some recent work. Thanks for making it just a little less gruelling!
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Nearby Trails
- Sirloin Access 479 ft
- Rainbow-sproatt Flank (westside/sirloin-rt) 712 ft
- Darwin's 712 ft
- Beaver Pass South 1,217 ft
- Danimal North 1,296 ft
- By canadaka
Trailforks & contributors - #26486 - 5,558 views
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