Fullerton Loop trail photo
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Level: Beginner
Length: 12 mi (19.3 km)
Surface: Other
Configuration: Loop
Elevation: +285/ -418 ft
Total: 180 riders

Mountain Biking Fullerton Loop

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#30 of 1,004 mountain bike trails in California
#616 in the world

The Fullerton Loop is a fairly popular ride right smack dab in the middle of Orange County suburbia. While it's not going to win any awards as the next big mountain bike destination, this 11-mile loop right in the center of Fullerton is easily accessible to the residents and makes for a great training ride or a great loop after work.

Utilizing a number of different trails and greenways and unmarked sections of singletrack, the loop is surprisingly easily to follow. There are a few spots where you might need to look at a map to figure out which road to take to connect back to the trail, but for the most part you just need to look for the bike tracks and see where they go!

While most of the main trails are wide, multi-use doubletrack, there is a ton of singletrack options off to the side, many of which are well-defined and are even marked. There are a few jumps and drops thrown in at intervals to keep things interesting, as well as I few berms/wallrides, including one that's about 10 feet tall!

If you live in Fullerton or are staying here for a while, you should definitely hop on your bike and go check the trails out.

First added by heathenstephen on May 20, 2008. Last updated May 6, 2020. → add an update
Before you go
  • Drinking water: yes
  • Lift service: unknown
  • Night riding: unknown
  • Pump track: yes
  • Restrooms: yes
  • Fat bike grooming: unknown
  • E-bikes allowed: unknown
  • Fee required: unknown
This trail information is user-generated. Help improve this information by suggesting a correction.
Getting there
91 Frwy to Harbor Blvd. & go North to Berkely or 57 Frwy to Chapman Ave. Chapman to Harbor Blvd. turn Right (North) take to Berkely. Park behind Union 76 station on NW Corner of Harbor & Berkely. No fees are required, & there's plenty of parking. Look to where Berkely curves around behind the parking lot, & trail head is visible. Thomas Guide page 738 G6
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Fullerton Loop Trail map

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Local Info

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Trail checkins

MTB MOR (on Nov 11, 2023)
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Trail conditions

Good (on Nov 11, 2023)
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Fullerton Loop videos

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Fullerton Super Loop & Bonus Sections…
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Mountain Bike Trails Near Fullerton, California

Intermediate | 15 mi
Intermediate | 12 mi
Beginner | 25 mi
Intermediate | 75 mi

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Rider questions

Q: Are class 1 ebikes allowed

Q: Is the trail still open when it rains?