Open in App
Get this trail on your phone instantly.
more stats
2,405 ft
Distance
125 ft
Climb
00:04:19
Avg time
128 ft
Altitude change
7,695 ft
Altitude min
7,823 ft
Altitude max
7,696 ft
Altitude start
7,825 ft
Altitude end
5.3%
Grade
-1.7%
Grade max
16.5%
Grade min
1,972 ft
Distance climb
39 ft
Distance down
394 ft
Distance flat
00:04:19
Avg time
Lower Jacks Details
-
Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
-
Riding AreaHartman Rocks
Gunnison, Colorado -
Difficulty Rating
-
Local Popularity100 in Mountain Biking [+]
- 100 in E-Biking
- 100 in Trail Running
- 95 in Hiking
-
Global Ranking
-
State Ranking
-
Trail TypeSingletrack
-
DirectionDownhill PrimaryPopular Direction Shown
-
Climb DifficultyGreen
-
Physical RatingEasy
-
Dogs AllowedYes
-
eBike Allowed
No community description for Lower Jacks trail has been added yet!
AI Generated Description
Lower Jacks is a 2,405 ft popular green difficulty singletrack trail located near Gunnison Colorado. This multi-use trail can be used downhill primary and has a easy overall physical rating with a 125 ft green climb. On average it takes 4 minutes to complete this trail.
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
- 28 miles average
6 Months
- 164 rides
- 11 miles avg distance
All
- 938 rides
- Last: Oct 8, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Lower Jacks 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 lower-jacks trailhead
(38.505740, -106.941660)
Photos
No photos have been added for Lower Jacks yet, add a photo.
Videos
no videos have been added for Lower Jacks yet, add a video.
Routes with this trail
★ 5.0 • 17 miles • 2,331 ft • 52 •
Start up jacks, then head over to tailpipe to the ridge. After the Ridge ride up Top of the World, and use...
17 miles • 2,046 ft • 19 •
This network is groomed specifically for fat biking, snowshoeing and xc skiing. Conditions may vary....
12 miles • 1,736 ft • 15 • Loop •
This is a recommend ride from Rock 'N' Roll Sports in Gunnison, CO. This loop at Hartman Rocks has some...
Trail Products
grampa
quality easy climbing trail out of the main trailhead
We hope you've been enjoying Trailforks!
Create a FREE account to view all trail reviews and much more.
Nearby Trails
- Hartman Rocks Base Area 23 ft
- Hartman Rocks Base Area 171 ft
- Tugs 259 ft
- Hartman Rocks Dr 390 ft
- Jacks 1,742 ft
- By todd
Trailforks & contributors - #22969 - 1,810 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.