more stats
4,006 ft
Distance
28 ft
Climb
-279 ft
Descent
00:04:31
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
00:04:31
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
    #107500 in Mountain Biking [+]
    • #26092 in E-Biking
    • #349990 in Trail Running
  • National Ranking
    #2,443 in Mountain Biking · New Zealand [+]
    • #569 in E-Biking
    • #4,155 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)

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.

Tags
BermsDropsJumps
Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 2 rides
  • 12 miles average
6 Months
  • 6 rides
  • 17 miles avg distance
All
  • 84 rides
  • Last: Oct 9, 2026
update trails status or condition

Flow K Trail Reports

statusdatedescription
Oct 15, 2026 @ 8:08pm (Pacific/Auckland)
2 days
 Running really good right now
Sep 27, 2026 @ 4:37pm (Pacific/Auckland)
Sep 26, 2026
 Trail is now open, although still has prevalent mud across the first 100 meters. Hoping to get this cleared early in the daylight savings dig...
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...
more »
Status:
on Oct 15, 2026
Ideal
Avg: 3.74 (2 votes)
Your vote: 0

view (1,086)
close
      Directions to flow-k trailhead (-41.084770, 175.160870)
      View on Discover Map

      Photos

      14 more »
      mtb
      98 |
      Nov 27, 2020 @ 4:36pm
      Nov 27, 2020
      mtb
      132 |
      Nov 27, 2020 @ 3:28pm
      Nov 27, 2020
      mtb
      83 |
      Nov 27, 2020 @ 3:28pm
      Nov 27, 2020
      mtb
      136 |
      Mar 30, 2020 @ 10:56pm
      Mar 30, 2020

      Videos

      5 more »
      youtuber FLOW K @ Tunnel Gully. Upper Hutt
      mtb
      2:21 | 648 | Mar 6, 2023 , Upper Hutt
      youtuber Half Flow @ Tunnel Gully. Upper Hutt
      mtb
      2:10 | 581 | Jul 5, 2022 , Upper Hutt
      youtuber The Wolf/Half Flow @ Tunnel Gully
      mtb
      2:07 | 611 | Oct 21, 2018 , Upper Hutt
      MTB Trail Flow K (Half Flow) Tunnel Gully -...
      mtb
      4:38 | 620 | 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
      3.0 ★★★★★
      1 Ratings
      5 ★
      4 ★
      3 ★
      2 ★ 100%
      1 ★

      1 Review & Comments

      Wookieetron5000
      Recently cleared top to bottom. Trail should hopefully be receiving some remedial work to improve water run off and remove ruts in the near future.

      We hope you've been enjoying Trailforks!

      Create a FREE account to view all trail reviews and much more.

      Create a Free Account

      Nearby Trails

      Kaitoke Regional Park

      • By Wookieetron5000TF Pro NtrailZ TGBT & contributors
      • #131502 - 3,662 views

      Frequently Asked Questions

      ▼ 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.
      ▼ 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 5 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 1,077 recorded activities on this trail. The trail has received 1,086 check-ins. View recent activity on this trail.

      Hit the Trail

      Open in App

      Get this trail on your phone instantly.
      open trail in app

      Download Trail

      Save to wishlist, Garmin & download.
      save the trail

      Find Related Routes

      Find routes and users activities that include this trail.
      find routes for this trail

      You must enter a description before submitting.