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18.8 miles
Distance
1,678 ft
Climb
-1,677 ft
Descent
438 ft
High Point
0 ft
Altitude change
53 ft
Altitude min
61 ft
Altitude start
62 ft
Altitude end
-39.9%
Grade max
43.3%
Grade min
8 miles
Distance climb
7 miles
Distance down
4 miles
Distance flat
PQ BIG LOOP FROM WEST SIDE
Detailed Description
PQ Big Loop is a 19 mile moderately popular intermediate route located near San Diego California. This mountain bike only route. This route includes 19 trails. This route climbs 1,678 ft with a max elevation of 438 ft then descends -1,677 ft.
Trail Issues on Route
- Closed: 3 trails (newest: Dec 15, 2024)
- Minor Issue / Yellow: 2 trails (newest: Mar 3, 2026)
Local Trail Association
Please consider joining or donating to the local riding association to support trail development & maintenance.
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Stats
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Distance19 miles
-
Altitude change0 ft
-
Altitude min53 ft
-
Altitude start61 ft
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Altitude end62 ft
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Climb1,678 ft
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Descent-1,677 ft
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Grade max-39.9%
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Grade min43.3%
-
Distance climb8 miles
-
Distance down7 miles
-
Distance flat4 miles
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Trails in Route
| 1,309 ft | |||||
| 3,258 ft | |||||
| 417 ft | |||||
| 4,446 ft | |||||
| 2,638 ft | |||||
| 4,531 ft | |||||
| 479 ft | |||||
| 1,506 ft | |||||
| 348 ft | |||||
| 643 ft | |||||
| 3,169 ft | |||||
| 2,556 ft | |||||
| 846 ft | |||||
| 1,427 ft | |||||
| 171 ft | |||||
| 3,255 ft |
Details
-
Riding area
-
Primary ActivityMountain Bike
-
Difficulty ratingBlue
-
eBike Allowed
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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 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.
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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.
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- popular
- less popular
- not popular
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Winter Trails
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A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
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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 riders 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
Trails Deemphasized
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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 | 81 | 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 | 65 | comments: 0 | favs:
Apr 22, 2026
Recent Trail Reports Along Route
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- By ch45
& contributors - #56328 - 378 views
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