more stats
1,739 ft
Distance
22 ft
Climb
-19 ft
Descent
00:02:54
Avg time
2 ft
Altitude change
456 ft
Altitude min
480 ft
Altitude max
456 ft
Altitude start
459 ft
Altitude end
0.1%
Grade
-8.9%
Grade max
8.7%
Grade min
528 ft
Distance climb
942 ft
Distance down
269 ft
Distance flat
00:02:54
Avg time

Lock 4 Flow Details

  • Activities
    • Mountain Bike
    • E-Bike
  • Riding Area
    Lock 4 MTB Park
    Gallatin, Tennessee
  • Difficulty Rating
    Blue Rate
  • Local Popularity
    100 in Mountain Biking [+]
    • 100 in E-Biking
  • Global Ranking
    #47059 in Mountain Biking
  • Trail Type
    Singletrack
  • Direction
    One Direction
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes up to Class 1
  • Land Owner
    City of Gallatin

No community description for Lock 4 Flow trail has been added yet!

AI Generated Description

Lock 4 Flow is a 1,739 ft popular blue difficulty singletrack trail located near Gallatin Tennessee. This mountain bike primary trail can be used one direction. On average it takes 2 minutes to complete this trail.

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 5 rides
  • 12 miles average
6 Months
  • 136 rides
  • 13 miles avg distance
All
  • 691 rides
  • Last: Aug 14, 2026
c1c2c3c4
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Lock 4 Flow Trail Reports

statusdatedescription
Aug 17, 2025 @ 9:11am
Aug 17, 2025
Jul 11, 2025 @ 8:40am
Jul 11, 2025
 Large tree down across trail, blocking trail
Jul 6, 2025 @ 12:17pm
Jul 6, 2025
 After Several days of rain and then sun. Pretty good dirt out there. Although some rain is coming, so wont last long!
Nov 23, 2024 @ 3:43pm
Nov 23, 2024
 Some leaves throughout but otherwise decent conditions.
Sep 14, 2024 @ 10:11am
Sep 14, 2024
more »
Status:
on Aug 17, 2025
Ideal
Avg: 3.98 (1 votes)
Your vote: 0

view (5,988)
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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 ?
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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Jump Magnitude Heatmap
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BC Backroad Status

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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 lock-4-flow trailhead (36.329270, -86.472110)

        Photos

        3 more »
        mtb
        103 |
        May 7, 2023 @ 1:58pm
        May 7, 2023
        mtb
        102 |
        May 7, 2023 @ 1:55pm
        May 7, 2023
        report
        mtb
        87 |
        Jul 11, 2025 @ 8:41am
        Jul 11, 2025
        report
        mtb
        72 |
        Mar 4, 2023 @ 4:40pm
        Mar 4, 2023

        Videos

        no videos have been added for Lock 4 Flow yet, add a video.

        Technical Trail Features (TTF)

        Trail Lists

        Routes with this trail

        20
        Lock4 40 Course(2022) Archived
        8 miles • 618 ft • 9 • Loop • Race •
        Riders can challenge themselve as a Solo or Relay option to Four 10-mile laps of Scenic Lock 4 Mountain...
        59
        Go Nuts Revenge of the Squirrels XC Archived
        6 miles • 454 ft • 12 • Race •
        Description Saturday, May 20 , 2023 - Revenge of the Squirrels XC - Acorn and Juniors Sunday, May 21, 2023...
        146
        Lock 4 40 Challenge(2023) Featured
        9 miles • 647 ft • 15 • Loop • Race •
        Lock 4 is a perfect 10 mile lap, so the goal is to do 4 laps in under five and half hours. Race it or...

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        Nearby Trails

        Lock 4 MTB Park

        • By toddTF Pro Trailforks & contributors
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        Frequently Asked Questions About Lock 4 Flow

        ▼ Where is Lock 4 Flow located?
        Lock 4 Flow is located in Lock 4 MTB Park, Gallatin, Tennessee, United States. It is part of the Lock 4 MTB Park trail network. The trailhead is located at coordinates 36.32927, -86.47211.
        ▼ How hard is Lock 4 Flow?
        Lock 4 Flow is rated as Blue difficulty. The average grade is 0.1%.
        ▼ What is the elevation gain for Lock 4 Flow?
        Lock 4 Flow has 22 ft of elevation gain. The trail has 19 ft of elevation descent. The elevation ranges from 456 ft to 480 ft.
        ▼ Is Lock 4 Flow a point to point trail?
        Yes, Lock 4 Flow is a point to point trail. The direction is One Direction. The trail type is singletrack.
        ▼ How long is Lock 4 Flow?
        Lock 4 Flow is 1,739 ft long. The trail type is singletrack.
        ▼ Are dogs allowed on Lock 4 Flow?
        Yes, dogs are allowed on Lock 4 Flow. Please keep dogs on a leash where required and clean up after them.
        ▼ When is the best time of year to ride Lock 4 Flow?
        Based on activity log data, the most popular months to ride Lock 4 Flow are:
        • April (71 activities)
        • July (67 activities)
        • September (45 activities)
        Check the reports page for current trail conditions.
        ▼ How do I access Lock 4 Flow? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Lock 4 Flow are: View all parking locations in the area.
        ▼ How long does it take to ride Lock 4 Flow?
        Based on recorded activities, it takes an average of 3 minutes to ride Lock 4 Flow. The trail is 1,739 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        ▼ How busy is Lock 4 Flow?
        Lock 4 Flow is a very popular trail. There have been 2,892 recorded activities on this trail. The trail has received 5,969 check-ins. View recent activity on this trail.

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