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778 ft
Distance
-205 ft
Descent
00:03:02
Avg time
-205 ft
Altitude change
565 ft
Altitude min
770 ft
Altitude max
770 ft
Altitude start
565 ft
Altitude end
-26.382%
Grade
-50.531%
Grade max
-7.434%
Grade min
778 ft
Distance down
00:03:02
Avg time
Jackasaurus Details
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaUrumau Reserve
Lyttelton -
Difficulty Rating
-
Local Popularity95 in Mountain Biking [+]
- 50 in Trail Running
- 65 in Hiking
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Global Ranking
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Trail TypeSingletrack
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Bike TypeAM
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DirectionDownhill Primary
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Dogs AllowedYes
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TTFs on TrailDrop, Jump, Ladder Bridge, Rock Face
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Ride in RainYes
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OSM Way
Jackasaurus starts at the top of the Urumau Reserve hill and descends the ridge, dropping over large rock drops you can roll or huck, to meet the traverse track. Eventually, once it's open, this track will continue down the ridge to meet Sumner road.
Access Info
From the end of the benched track across LPC land, head straight ahead (towards the sea) and up hill, veering onto a track on the left to find yourself on the top of the Urumau reserve hill.
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
- 15 rides
- 8 miles avg distance
All
- 171 rides
- Last: Jun 12, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Jackasaurus Trail Reports
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1 social media mentions
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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)
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The colour categories are based on what percentage of riders are riding a trail in its intended direction.
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- > 6 months
Trail Ridden Direction
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- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
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Directions to jackasaurus trailhead
(-43.602600, 172.730110)
Photos
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Videos
4 more »
Routes with this trail
6 miles • 1,383 ft • 4 • Loop •
Loop from Windy point, roads to top of Mt Pleasant and then back down on singletrack through Urumau reserve
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Frequently Asked Questions About Jackasaurus
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Where is Jackasaurus located?
Jackasaurus is located in Urumau Reserve, Lyttelton, New Zealand. It is part of the Urumau Reserve trail network. The trailhead is located at coordinates -43.6026, 172.73011.
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How hard is Jackasaurus?
Jackasaurus is rated as Black Diamond difficulty. The average grade is 26.382%.
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What is the elevation gain for Jackasaurus?
The trail has 205 ft of elevation descent. The elevation ranges from 565 ft to 770 ft.
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Is Jackasaurus a point to point trail?
Jackasaurus is not a point to point trail. The direction is Downhill Primary. The trail type is singletrack.
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