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1.0 mile
Distance
49 ft
Climb
-251 ft
Descent
00:03:43
Avg time
-204 ft
Altitude change
2,004 ft
Altitude min
2,208 ft
Altitude max
2,208 ft
Altitude start
2,005 ft
Altitude end
-3.8%
Grade
-31.5%
Grade max
14.9%
Grade min
636 ft
Distance climb
4,573 ft
Distance down
92 ft
Distance flat
00:03:43
Avg time
Alder Spring Details
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Activities
- Mountain Bike
- Gravel Bike
- Adaptive Bike
- Hike
- Trail Running
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Riding AreaMonte Bello Open Space
Palo Alto, California -
Difficulty Rating
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Local Popularity60 in Mountain Biking [+]
- 65 in Trail Running
- 50 in Hiking
- 5 in Adaptive Biking
- 50 in Gravel Biking
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Global Ranking#118929 in Mountain Biking [+]
- #139023 in Trail Running
- #148508 in Hiking
- #6017 in Adaptive Biking
- #4634 in Gravel Biking
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State Ranking#4,364 in Mountain Biking · California [+]
- #7,000 in Trail Running
- #8,687 in Hiking
- #369 in Adaptive Biking
- #455 in Gravel Biking
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Trail TypeDoubletrack
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Bike TypeAdaptive MTB, Gravel
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DirectionBoth DirectionsPopular In Reverse
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Climb DifficultyGreen
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Physical RatingEasy
-
Trail VisibilityAlways easy to follow
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Dogs AllowedYes
-
eBike Allowed
-
Ride in RainYes
-
Land Owner
Double track or old road, seldom accessed west of Hawk Trail
Local Trail Association
-
-
Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Recent Activity on Trail
Past Week
- 2 rides
- 18.1 km average
6 Months
- 36 rides
- 25.6 km avg distance
All
- 263 rides
- Last: Oct 15, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Alder Spring Trail Reports
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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 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 Used
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.
- Description
- Photos
- 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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- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
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US Cell Coverage
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Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
?
Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
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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 users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Slope Aspect
Direction the slope faces
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Directions to alder-spring trailhead
(37.320450, -122.207150)
Photos
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Videos
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Routes with this trail
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★ 5.0 • 18 miles • 3,101 ft • 14 • Loop •
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Nearby Trails
- Ancient Oaks Trail 1,273 ft
- Charquin 1,680 ft
- Hawk 1,804 ft
- Ridge 2,221 ft
- Bo Gimbal 2,297 ft
Monte Bello Open Space
- By jpravetz SCMTS Reporter & contributors
- #63931 - 1,604 views
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