more stats
4,006 ft
Distance
28 ft
Climb
-279 ft
Descent
00:02:37
Avg time
-252 ft
Altitude change
738 ft
Altitude min
990 ft
Altitude max
990 ft
Altitude start
738 ft
Altitude end
-6.3%
Grade
-30.5%
Grade max
13%
Grade min
525 ft
Distance climb
2,566 ft
Distance down
860 ft
Distance flat
00:02:37
Avg time

Flow K Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Trail Running
  • Riding Area
    Kaitoke Regional Park
    Upper Hutt
  • Difficulty Rating
    Advanced Rate
  • Local Popularity
    70 in Mountain Biking [+]
    • 90 in E-Biking
    • 5 in Trail Running
  • Global Ranking
    #87600 in Mountain Biking [+]
    • #23319 in E-Biking
    • #132550 in Trail Running
  • Hiking SAC Scale
    T1 Hiking
  • Trail Type
    Singletrack
  • Bike Type
    DH, AM, XC, Gravel
  • Direction
    Downhill Only[+]
    Popular Direction Shown
    • Downhill Only for E-Biking
    • Downhill Only for Trail Running
  • Climb Difficulty
    Blue
  • Physical Rating
    Hard
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes
  • TTFs on Trail
    Berm, Drop, Jump
  • Land Owner
    Greater Wellington Regional Council (GWRC)

THIS TRAIL IS STILL CLOSED, PLEASE STAY OFF IT UNTIL TOLD OTHERWISE.


The completely re-built Flow K. Starts by traversing along the side of the hill with a few ups and downs and some steep switchback climbs before heading all the way to the bottom.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 4 rides
  • 28.7 km avg distance
All
  • 81 rides
  • Last: Aug 14, 2026
c1c2c3c4
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update trails status or condition

Flow K Trail Reports

statusdatedescription
Aug 2, 2026 @ 4:21pm (Pacific/Auckland)
Aug 1, 2026
 Trail is still closed due to more mud than we've seen before across the first 200 meters of the trail. Please continue to stay off it until it...
Jul 5, 2026 @ 7:50pm (Pacific/Auckland)
Jul 5, 2026
 This trail is still closed, please stay off it until told otherwise. The new surface needs time to bed in and with all the rain of late it will...
Jun 13, 2026 @ 6:03pm (Pacific/Auckland)
Jun 12, 2026
 Trail still closed for rebuild work. Please stay off this trail until it is officially reopened. The new surface needs time to bed in and there is...
Jun 4, 2026 @ 8:19am (Pacific/Auckland)
Jun 3, 2026
 Closed for maintenance at present.
May 31, 2026 @ 3:10pm (Pacific/Auckland)
May 30, 2026
more »
Status:
on Aug 2, 2026
Prevalent Mud
Avg: 3.74 (2 votes)
Your vote: 0

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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 users are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
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  • < 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
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  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
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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

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.

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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to flow-k trailhead (-41.084770, 175.160870)

        Photos

        4 more »
        mtb
        89 |
        Nov 27, 2020 @ 4:36pm
        Nov 27, 2020
        mtb
        116 |
        Nov 27, 2020 @ 3:28pm
        Nov 27, 2020
        mtb
        72 |
        Nov 27, 2020 @ 3:28pm
        Nov 27, 2020
        mtb
        99 |
        Mar 30, 2020 @ 10:56pm
        Mar 30, 2020

        Videos

        2 more »
        youtuber FLOW K @ Tunnel Gully. Upper Hutt
        mtb
        2:21 | 545 | Mar 6, 2023 , Upper Hutt
        youtuber Half Flow @ Tunnel Gully. Upper Hutt
        mtb
        2:10 | 488 | Jul 5, 2022 , Upper Hutt
        youtuber The Wolf/Half Flow @ Tunnel Gully
        mtb
        2:07 | 599 | Oct 21, 2018 , Upper Hutt
        MTB Trail Flow K (Half Flow) Tunnel Gully -...
        mtb
        4:38 | 609 | Feb 5, 2019 , Upper Hutt

        Routes with this trail

        TGE - Stage 2 Archived
        3,993 ft • 30 ft • 2 • Race •
        Stage 2 of the Tunnel Gully Enduro 2020
        TGE - Intermediate Course Archived
        8 miles • 1,300 ft • 14 • Race •
        Intermediate course of the Tunnel Gully Enduro 2020

        1 Review & Comments


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        Nearby Trails

        Kaitoke Regional Park

        • By Wookieetron5000TF Pro NtrailZ TGBT & contributors
        • #131502 - 3,504 views

        Frequently Asked Questions About Flow K

        ▼ Where is Flow K located?
        Flow K is located in Kaitoke Regional Park, Upper Hutt, New Zealand. It is part of the Kaitoke Regional Park trail network. The trailhead is located at coordinates -41.08477, 175.16087.
        ▼ How hard is Flow K?
        Flow K is rated as Advanced difficulty. The physical rating is Hard. The average grade is 6.3%. The climb difficulty is rated Blue.
        ▼ What is the elevation gain for Flow K?
        Flow K has 28 ft of elevation gain. The trail has 279 ft of elevation descent. The elevation ranges from 738 ft to 990 ft.
        ▼ Is Flow K a point to point trail?
        Yes, Flow K is a point to point trail. The direction is Downhill Only. The trail type is singletrack.
        ▼ How long is Flow K?
        Flow K is 4,006 ft long. The trail type is singletrack.
        ▼ Are dogs allowed on Flow K?
        Yes, dogs are allowed on Flow K. Please keep dogs on a leash where required and clean up after them.
        ▼ When is the best time of year to ride Flow K?
        Based on activity log data, the most popular months to ride Flow K are:
        • March (8 activities)
        • November (6 activities)
        • February (6 activities)
        Check the reports page for current trail conditions.
        ▼ How do I access Flow K? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Flow K are: View all parking locations in the area.
        ▼ How long does it take to ride Flow K?
        Based on recorded activities, it takes an average of 2 minutes to ride Flow K. The trail is 4,006 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        ▼ How busy is Flow K?
        Flow K is a very popular trail. There have been 1,065 recorded activities on this trail. The trail has received 1,072 check-ins. View recent activity on this trail.

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