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1.1 miles
Distance
210 ft
Climb
00:08:47
Avg time
213 ft
Altitude change
5,338 ft
Altitude min
5,551 ft
Altitude max
5,338 ft
Altitude start
5,551 ft
Altitude end
3.8%
Grade
-3.7%
Grade max
13.2%
Grade min
4,783 ft
Distance climb
131 ft
Distance down
712 ft
Distance flat
00:08:47
Avg time
Cobalt Details
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Activities
- Mountain Bike
- E-Bike
- Horse
- Hike
- Trail Running
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Riding AreaBoulder Valley Ranch / Boulder Reservoir
Boulder, Colorado -
Difficulty Rating
-
Local Popularity95 in Mountain Biking [+]
- 85 in E-Biking
- 80 in Trail Running
- 65 in Hiking
- 5 in Horseback
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Global Ranking
-
Hiking SAC ScaleT1 Hiking
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Trail TypeSingletrack
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DirectionBoth Directions
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Physical RatingModerate
-
Dogs AllowedYes
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eBike AllowedYes up to Class 2
As part of the 2024 Boulder Valley Ranch Resign project, Cobalt has been opened to bikes The Boulder Mountainbike Alliance assisted the City of Boulder to reroute and optimize the trail for bike and adaptive bike use.
While this trail is bi-directional, it was built with the intent to be climbing optimized and looped with the downhill optimized Eagle trail.
Local Trail Association
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-
Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 1 rides
- 18 miles average
6 Months
- 109 rides
- 23 miles avg distance
All
- 288 rides
- Last: Jul 7, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Cobalt 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.
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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- < 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
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- Description & Photos
- Videos
Trail Popularity ?
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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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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
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BC Backroad Status
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Directions to cobalt trailhead
(40.079690, -105.262500)
Photos
No photos have been added for Cobalt yet, add a photo.
Videos
1 more »
2:06 |
135 |
Dec 16, 2024 , Boulder
Routes with this trail
North Boulder MTB Featured
★ 5.0 • 12 miles • 854 ft • 5 • Loop •
Starting in 2024, singletrack options north of Boulder just got a whole lot better! The opened in July and...
Cobalt-Eagle Loop Featured
3 miles • 225 ft • 2 • Loop •
Opened on November 22, 2024 the - loop is a 3-mile beginner friendly flow trail sure to put a smile on...
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Nearby Trails
- Sage Singletrack 407 ft
- Foothills - North 2 miles
- Broadway Road 2 miles
- Boulder Reservoir Trail 3 miles
- Foothills - South 3 miles
Boulder Valley Ranch / Boulder Reservoir
- By todd
Trailforks & contributors - #176691 - 1,805 views
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Frequently Asked Questions About Cobalt
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Where is Cobalt located?
Cobalt is located in Boulder Valley Ranch / Boulder Reservoir, Boulder, Colorado, United States. It is part of the Boulder Valley Ranch / Boulder Reservoir trail network. The trailhead is located at coordinates 40.07969, -105.2625.
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How hard is Cobalt?
Cobalt is rated as Green difficulty. The physical rating is Moderate. The average grade is 3.8%.
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What is the elevation gain for Cobalt?
Cobalt has 210 ft of elevation gain. The elevation ranges from 5,338 ft to 5,551 ft.
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Is Cobalt a point to point trail?
Cobalt is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
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