Open in App
Get this trail on your phone instantly.
more stats
3,018 ft
Distance
-49 ft
Descent
00:06:36
Avg time
-51 ft
Altitude change
259 ft
Altitude min
309 ft
Altitude max
309 ft
Altitude start
259 ft
Altitude end
-1.7%
Grade
-5.2%
Grade max
2,441 ft
Distance down
472 ft
Distance flat
00:06:36
Avg time
Tunnel 1 Details
-
Activities
- Mountain Bike
- E-Bike
- Winter Fat Bike
- Hike
- Trail Running
-
Riding AreaLos Peñasquitos Canyon
San Diego, California -
Difficulty Rating
-
Voted DifficultyBlue (2 votes)
-
Local Popularity95 in Mountain Biking [+]
- 90 in E-Biking
- 95 in Trail Running
- 80 in Hiking
-
Global Ranking
-
Trail TypeSingletrack
-
Bike TypeAM, XC, Fat
-
DirectionBoth Directions
-
Climb DifficultyGreen
-
Physical RatingModerate
-
Trail VisibilityAlways easy to follow
-
Family FriendlyYes
-
Dogs AllowedYes
-
eBike AllowedYes up to Class 1
-
Land OwnerCity of San Diego
Fun singletrack almost completely encased in trees
ADAPTIVE MTB INFO
Rating: aMTB3 - Major Obstacles Exist - Support Rider Needed
Adaptive Riders, avoiding altogether recommended. Too much work to get through this. East Deer Canyon to West Deer Canyon is better
source: The UNPavement
Disclaimer
Mostly Impassable for Adaptive MTB
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
- 7 rides
- 14 miles average
6 Months
- 171 rides
- 14 miles avg distance
All
- 1,519 rides
- Last: Jun 23, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Tunnel 1 Trail Reports
more »
close
-
Layers w
- Weather Layers
- Pro
- Pro
- Pro
- Pro
- Pro
- Pro
- More Layers
- Pro
- Pro
- Pro
- Pro
-
Upgrade to
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 ridelogs 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 riders are riding a trail in its intended direction.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Ridden
Trailforks scans ridelogs 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 ridelogs 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 rides = 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.
?
Personal Heatmap
▶
Activity Types
all
/
none
▶
Options
2
Date range
month
–
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 riders 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 tunnel-1 trailhead
(32.955240, -117.153890)
Photos
20 more »
Videos
4 more »
0:26 |
95 |
May 17, 2024 , San Diego
4:22 |
296 |
Sep 10, 2023 , San Diego
7:38 |
227 |
Nov 17, 2021 , San Diego
8:28 |
614 |
Nov 23, 2020 , San Diego
Routes with this trail
★ 4.3 • 22 miles • 1,799 ft • 21 •
Those bells that you hear are not those of in the East End of London, where the Cockney accent is heard....
★ 3.5 • 23 miles • 1,957 ft • 61 • Loop •
This route through Los Penasquitos Canyon and Del Mar Mesa hits some of the most popular trails in the...
6 Reviews & Comments
We hope you've been enjoying Trailforks!
Create a FREE account to view trail comments and much more.
Nearby Trails
- East Tunnel Escape 43 ft
- Tunnel 1 Quick Connect 243 ft
- Book Quick 837 ft
- Gas Station Enterance 915 ft
- Intooquick 961 ft
Los Peñasquitos Canyon
- By The-dirt-farmer
& contributors - #48296 - 6,093 views
- Follow/Subscribe
- login to download gpx or kml files.
Frequently Asked Questions About Tunnel 1
▼
Where is Tunnel 1 located?
Tunnel 1 is located in Los Peñasquitos Canyon, San Diego, California, United States. It is part of the Los Peñasquitos Canyon trail network. The trailhead is located at coordinates 32.95524, -117.15389.
▼
How hard is Tunnel 1?
Tunnel 1 is rated as Blue difficulty. The physical rating is Moderate. The average grade is 1.7%. The climb difficulty is rated Green.
▼
What is the elevation gain for Tunnel 1?
The trail has 49 ft of elevation descent. The elevation ranges from 259 ft to 309 ft.
▼
Is Tunnel 1 a point to point trail?
Tunnel 1 is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
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.