Open in App
Get this route on your phone instantly.
22.9 miles
Distance
2,185 ft
Climb
-2,683 ft
Descent
1,247 ft
High Point
-497 ft
Altitude change
51 ft
Altitude min
876 ft
Altitude start
381 ft
Altitude end
-0.4%
Grade
-36.3%
Grade max
82.6%
Grade min
9 miles
Distance climb
11 miles
Distance down
3 miles
Distance flat
2020 Half Arch Archipelago Route
Detailed Description
2020 Half Arch is a 23 mile popular intermediate route located near San Diego California. This mountain bike only route. This route includes 22 trails. This route climbs 2,185 ft with a max elevation of 1,247 ft then descends -2,683 ft.
Local Trail Association
Please consider joining or donating to the local riding association to support trail development & maintenance.
Donate to earn trail karma!
Stats
-
Distance23 miles
-
Avg time3 hr 55 min
-
Altitude change-497 ft
-
Altitude min51 ft
-
Altitude start876 ft
-
Altitude end381 ft
-
Climb2,185 ft
-
Descent-2,683 ft
-
Grade-0.4%
-
Grade max-36.3%
-
Grade min82.6%
-
Distance climb9 miles
-
Distance down11 miles
-
Distance flat3 miles
61 Reviews & Comments
We hope you've been enjoying Trailforks!
Create a FREE account to view route comments and much more.
Trails in Route
| 1,572 ft | |||||
| 1,306 ft | |||||
| 1,923 ft | |||||
| 2 miles | |||||
| 1,325 ft | |||||
| 1,142 ft | |||||
| 981 ft | |||||
| 1,706 ft | |||||
| 3,737 ft | |||||
| 1,115 ft | |||||
| 1,076 ft | |||||
| 2,897 ft | |||||
| 3,819 ft | |||||
| 489 ft | |||||
| 2,697 ft | |||||
| 1,421 ft | |||||
| 3,373 ft | |||||
| 1 mile | |||||
| 3,228 ft | |||||
| 184 ft | |||||
| 5,072 ft |
Details
-
Riding area
-
Primary ActivityMountain Bike
-
Difficulty ratingBlue
-
eBike Allowed
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
Trail transparency
- Singletrack
- Unpaved
Photos
Videos
youtuber
![Side Hill Rancho Penasquitos MTB Trail]()
Side Hill Rancho Penasquitos MTB Trail
trail: Side Hill
3:30 | 497 | comments: 0 | favs:
Apr 21, 2022
MTB night ride with Bobcats, San Diego Mountain Biking, trail review at night ️️
trail: Bowtie Rim
6:45 | 20 | comments: 0 | favs:
Mar 16, 2026
Recent Trail Reports Along Route
more reports »
- By BenLow2019
& contributors - #17907 - 1,603 views
Hit the Trail
Download Route
Save to wishlist, Garmin & download.