Open in App
Get this trail on your phone instantly.
more stats
1,496 ft
Distance
19 ft
Climb
-51 ft
Descent
00:01:44
Avg time
-33 ft
Altitude change
343 ft
Altitude min
376 ft
Altitude max
376 ft
Altitude start
344 ft
Altitude end
-2.2%
Grade
-16.2%
Grade max
13.1%
Grade min
269 ft
Distance climb
915 ft
Distance down
312 ft
Distance flat
00:01:44
Avg time
Toxic Flow Details
-
Activities
- Mountain Bike
- E-Bike
-
Riding AreaMill Creek Mountain Bike Trails
Lucas Heights -
AKAriverside flow, three eyed fish
-
Difficulty Rating
-
Local Popularity70 in Mountain Biking [+]
- 65 in E-Biking
-
Global Ranking
-
National Ranking
-
Trail TypeSingletrack
-
Bike TypeAM, XC
-
DirectionDownhill OnlyPopular Direction Shown
-
Physical RatingEasy
-
eBike AllowedYes up to Class 1
-
TTFs on TrailDrop, Rock Garden
-
Land OwnerSutherland Shire Council
A naturally surfaced, moderately rocky descent continuing with a relatively smooth undulating trail through Sydney Hinterland Apple-Blackbutt Gully Forest featuring rock gardens and switchbacks.
Local Trail Association
-
-
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
- 2 rides
- 9 miles average
6 Months
- 61 rides
- 12 miles avg distance
All
- 810 rides
- Last: Oct 8, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Toxic Flow Trail Reports
more »
close
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)
Trailforks scans users activity logs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
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.
- most popular
- 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.
?
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
![map legend]()
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.
Slope Aspect
Direction the slope faces
Trails Deemphasized
Trails are shown in grey.
Only show trails with no bike usage.
Suggested Layers
Based on selected activity type
Save the current map location and zoom level as your default home location whenever this page is loaded.
Save
Directions to toxic-flow trailhead
(-34.036350, 150.965530)
Photos
11 more »
Videos
no videos have been added for Toxic Flow yet, add a video.
Routes with this trail
7 miles • 603 ft • 33 • Loop •
Haven't actually been able to ride this yet but should work. Looks fun and has most of the good bits. At...
11 miles • 778 ft • 27 • Out & Back •
Not sure how to choose between our Air Explorer or Janky Jaunt ride options - this one will combine both,...
7 miles • 512 ft • 18 • Out & Back •
Prefer natural style riding, and want to hunt down the unique sandstone slab and rock garden features on...
Lewis-56
The top section is fun but the bottom section is a bit pointless.
The pictures must be from somewhere else or the place has been severely eroded.
The pictures must be from somewhere else or the place has been severely eroded.
We hope you've been enjoying Trailforks!
Create a FREE account to view all trail reviews and much more.
Nearby Trails
- Top Loop 3 ft
- Methane Alley Return 125 ft
- Creek Dash 377 ft
- Late Right 1,457 ft
- Pump Action 1,539 ft
Mill Creek Mountain Bike Trails
- By MarkyB SSCC & contributors
- #104789 - 1,677 views
- Follow/Subscribe
- login to download gpx or kml files.
Hit the Trail
Download Trail
Save to wishlist, Garmin & download.
Find Related Routes
Find routes and users activities that include this trail.
You must enter a description before submitting.