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9.6 miles
Distance
1,036 ft
Climb
-1,025 ft
Descent
438 ft
High Point
12 ft
Altitude change
127 ft
Altitude min
147 ft
Altitude start
161 ft
Altitude end
-26.4%
Grade max
43.3%
Grade min
4 miles
Distance climb
4 miles
Distance down
1 mile
Distance flat
Fun loop in PQ that includes Cobbles, Tunnel 4 and some hidden surprises.
Detailed Description
D&A is a 10 mile popular intermediate route located near San Diego California. This e-bike primary route can be used one direction and has a moderate overall physical rating. This route includes 9 trails. This route climbs 1,036 ft with a max elevation of 438 ft then descends -1,025 ft.
Trail Issues on Route
- Closed: 2 trails (newest: Dec 15, 2024)
Local Trail Association
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Stats
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Distance10 miles
-
Altitude min127 ft
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Altitude start147 ft
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Altitude end161 ft
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Climb1,036 ft
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Descent-1,025 ft
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Grade max-26.4%
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Grade min43.3%
-
Distance climb4 miles
-
Distance down4 miles
-
Distance flat1 mile
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Trails in Route
| 1,585 ft | |||||
| 5,187 ft | |||||
| 4,442 ft | |||||
| 2,769 ft | |||||
| 4,551 ft | |||||
| 390 ft | |||||
| 374 ft |
Details
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Riding area
-
Primary ActivityE-Bike
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Other Activities
- Mountain Bike
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Difficulty ratingBlue
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Route TypeLoop
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eBike Allowed
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Bike typeAM
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DirectionOne Direction
-
Physical ratingModerate
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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 Ridden
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.
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- 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.
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- less popular
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Activity Recordings
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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
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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
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Photos
Videos
Amflow Vs Gravel Bike, San Diego Mountain Biking, Tunnels, Best trail in SD? Avinox #mtb #emtb
trail: Tunnel 4
5:24 | 99 | comments: 0 | favs:
Apr 22, 2026
Amflow Avinox demo ride vs. steep hill San Diego mountain bike trail review #mtbreview #mtb #emtb
trail: Anderson Ridge Climb
6:28 | 81 | comments: 0 | favs:
Apr 22, 2026
Recent Trail Reports Along Route
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- By dyldebus
& contributors - #59633 - 507 views
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