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1.8 miles
Distance
265 ft
Climb
-282 ft
Descent
00:13:41
Avg time
-15 ft
Altitude change
294 ft
Altitude min
541 ft
Altitude max
540 ft
Altitude start
525 ft
Altitude end
-0.2%
Grade
-31.7%
Grade max
27.3%
Grade min
4,239 ft
Distance climb
3,589 ft
Distance down
1,677 ft
Distance flat
00:13:41
Avg time
Grey Box Loop Details
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaShepherds Hill Recreation Park
Adelaide -
Difficulty Rating
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Voted DifficultyBlue (1 vote)
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Local Popularity60 in Mountain Biking [+]
- 75 in Trail Running
- 5 in Hiking
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Global Ranking
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National Ranking
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Trail TypeSingletrack
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Bike TypeAM, XC
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DirectionBoth Directions
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Climb DifficultyBlue
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Physical RatingModerate
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Dogs AllowedYes
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TTFs on TrailDrop, Jump
No community description for Grey Box Loop trail has been added yet!
AI Generated Description
Grey Box Loop is a highly rated 3 km moderately popular blue difficulty singletrack trail located near Adelaide. This mountain bike primary trail can be used both directions and has a moderate overall physical rating with a 81 m blue climb. It features drop and jump. On average it takes 13 minutes to complete this 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
- 5 rides
- 13 miles avg distance
All
- 58 rides
- Last: Oct 7, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Grey Box Loop 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.
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Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
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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
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Directions to grey-box-loop trailhead
(-35.018510, 138.592310)
Photos
6 more »
Videos
2 more »
mtb
12:51 |
464 |
Jan 16, 2023 , Adelaide
mtb
0:04 |
1975 |
Nov 27, 2018 , Adelaide
Routes with this trail
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Nearby Trails
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- Fire Road 587 ft
- Sheps Intermediate Dh 1 774 ft
- Sheps Intermediate Dh 2 774 ft
- Connector 820 ft
Shepherds Hill Recreation Park
- By mikeye & contributors
- #38441 - 3,571 views
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