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2,120 ft
Distance
66 ft
Climb
-52 ft
Descent
00:02:28
Avg time
13 ft
Altitude change
156 ft
Altitude min
223 ft
Altitude max
178 ft
Altitude start
192 ft
Altitude end
0.625%
Grade
-14.925%
Grade max
16.114%
Grade min
891 ft
Distance climb
1,229 ft
Distance down
00:02:28
Avg time
Heart Attack Details
-
Activities
- Mountain Bike
- E-Bike
- Gravel Bike
- Adaptive Bike
- Winter Fat Bike
- Horse
- Hike
- Trail Running
-
Riding AreaEpping Forest
London -
Difficulty Rating
-
Local Popularity80 in Mountain Biking [+]
- 70 in E-Biking
- 95 in Trail Running
- 95 in Hiking
- 5 in Horseback
- 5 in Winter Fat Biking
- 5 in Adaptive Biking
- 85 in Gravel Biking
-
Trail TypeDirt/Gravel Road
-
Bike TypeAM, XC, Fat, Adaptive MTB, Gravel
-
DirectionBoth Directions
-
Dogs AllowedYes
-
eBike AllowedYes up to Class 1
-
Ride in RainYes
-
Land OwnerCorporation of London
It's not that bad.
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 11 rides
- 15 miles avg distance
All
- 138 rides
- Last: Oct 31, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Heart Attack 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.
?
Activity Recordings
Trailforks uses anonymized public activity data.
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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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Slope Aspect
Direction the slope faces
Trails Deemphasized
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Directions to heart-attack-65455 trailhead
(51.636010, 0.037660)
Photos
No photos have been added for Heart Attack yet, add a photo.
Videos
1 more »
mtb
7:25 |
65834 |
Apr 16, 2012 , London
Routes with this trail
Geordieboy1978
Grind it out.. nice little DH straight after to look forward to
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- By PabloGT
& contributors - #65455 - 1,278 views
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