Open in App
Get this trail on your phone instantly.
more stats
3.6 miles
Distance
1,059 ft
Climb
-8 ft
Descent
00:46:57
Avg time
1,053 ft
Altitude change
2,315 ft
Altitude min
3,368 ft
Altitude max
2,315 ft
Altitude start
3,369 ft
Altitude end
5.6%
Grade
-3%
Grade max
42.4%
Grade min
3 miles
Distance climb
915 ft
Distance down
1,742 ft
Distance flat
00:46:57
Avg time
Mt Umunhum Details
-
Activities
- Mountain Bike
- Horse
- Hike
- Trail Running
-
Riding AreaSierra Azul Open Space Preserve
Los Gatos, California -
Difficulty Rating
-
Voted DifficultyGreen (3 votes)
-
Local Popularity45 in Mountain Biking [+]
- 40 in Trail Running
- 60 in Hiking
- 5 in Horseback
-
Global Ranking
-
State Ranking#5,107 in Mountain Biking · California [+]
- #7,963 in Trail Running
- #4,271 in Hiking
- #1,199 in Horseback
-
Hiking SAC ScaleT2 Mountain Hiking
-
Trail TypeSingletrack
-
Bike TypeAM, XC
-
DirectionBoth Directions[+]
- Both Directions for Horseback
-
Climb DifficultyBlue
-
Physical RatingHard
-
Trail VisibilityAlways easy to follow
-
Family FriendlyYes
-
Dogs AllowedYes
-
eBike Allowed
-
TTFs on TrailBridge
-
Year Opened2017
-
Land Owner
Scenic multi-use singletrack to the top of Mt. Ununhum. Moderate gradient. No technical difficulties.
Local Trail Association
-
-
Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 12 rides
- 11 miles avg distance
All
- 74 rides
- Last: Oct 17, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Mt Umunhum 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 mt-umunhum trailhead
(37.159390, -121.875920)
Photos
9 more »
Videos
3 more »
mtb
20:33 |
379 |
May 27, 2023 , Los Gatos
mtb
13:40 |
520 |
Oct 17, 2020 , Los Gatos
Routes with this trail
★ 2.0 • 28 miles • 6,283 ft • 8 • Out & Back •
Ride to Mount Umunhum from the Lexington Reservoir. Can start from downtown Los Gatos and end at a nice...
Reviews / Comments
No reviews yet, be the first to write a review or ask a question.
Use trail reports to comment on trail conditions.
We hope you've been enjoying Trailforks!
Create a FREE account to view all trail reviews and much more.
Nearby Trails
- Bald Mountain Trail 0 ft
- Barlow Road 1 mile
- Herbert Creek Road 2 miles
- Katherine Loop Connector 2 miles
- Yellow Kid Trail 2 miles
Sierra Azul Open Space Preserve
- By jpravetz SCMTS Reporter & contributors
- #105255 - 6,086 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.