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3,757 ft
Distance
16 ft
Climb
-253 ft
Descent
00:06:56
Avg time
-239 ft
Altitude change
1,844 ft
Altitude min
2,082 ft
Altitude max
2,082 ft
Altitude start
1,844 ft
Altitude end
-6.4%
Grade
-24.3%
Grade max
13.1%
Grade min
312 ft
Distance climb
2,818 ft
Distance down
627 ft
Distance flat
00:06:56
Avg time
Underdrive Details
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Activities
- Mountain Bike
- E-Bike
-
Riding AreaGreer Ranch
Murrieta, California -
AKAElectric Catfish
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Difficulty Rating
-
Local Popularity95 in Mountain Biking [+]
- 100 in E-Biking
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Global Ranking
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Trail TypeSingletrack
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Bike TypeDH, AM, XC
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Climb DifficultyBlack Diamond
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Physical RatingModerate
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Trail VisibilityAlways easy to follow
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eBike AllowedYes up to Class 1
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TTFs on TrailBerm, Jump, Gap Jump, Rock Garden
No community description for Underdrive trail has been added yet!
AI Generated Description
Underdrive is a 3,757 ft popular blue difficulty singletrack trail located near Murrieta California. This mountain bike primary trail and has a moderate overall physical rating with a 16 ft black diamond climb. It features berm, jump, gap jump and rock garden. Trail visibility is always easy to follow. On average it takes 6 minutes to complete this trail.
Access Info
Climb Ascension to the top of the hill where Overdrive starts. Take Overdrive and veer to the left when crossing over the service road.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 2 rides
- 11 miles average
6 Months
- 92 rides
- 12 miles avg distance
All
- 475 rides
- Last: Jun 28, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Underdrive Trail Reports
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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)
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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
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- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
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- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
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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.
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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
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Directions to underdrive trailhead
(33.613420, -117.189800)
Photos
No photos have been added for Underdrive yet, add a photo.
Videos
4 more »
3:20 |
112 |
Dec 1, 2024 , Murrieta
20:42 |
110 |
Jan 31, 2024 , Murrieta
6:06 |
234 |
Dec 12, 2022 , Murrieta
youtuber
![MTB Riding Underdrive | Greer Ranch, CA |...]()
6:16 |
237 |
Dec 12, 2022 , Murrieta
Routes with this trail
7 miles • 961 ft • 14 • Loop •
blue greer ranch loop, starts at greer ranch trailhead
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Nearby Trails
- Distortion Upper 318 ft
- Overdrive Top 318 ft
- Greer Mtb 751 ft
- Iceplant 1,214 ft
- Panda 1,253 ft
Frequently Asked Questions About Underdrive
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Where is Underdrive located?
Underdrive is located in Greer Ranch, Murrieta, California, United States. It is part of the Greer Ranch trail network. The trailhead is located at coordinates 33.61342, -117.1898.
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How hard is Underdrive?
Underdrive is rated as Blue difficulty. The physical rating is Moderate. The average grade is 6.4%. The climb difficulty is rated Black Diamond.
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What is the elevation gain for Underdrive?
Underdrive has 16 ft of elevation gain. The trail has 253 ft of elevation descent. The elevation ranges from 1,844 ft to 2,082 ft.
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How long is Underdrive?
Underdrive is 3,757 ft long. The trail type is singletrack.
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