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2,451 ft
Distance
108 ft
Climb
-10 ft
Descent
2 miles
High Point
96 ft
Altitude change
8,753 ft
Altitude min
8,753 ft
Altitude start
8,848 ft
Altitude end
3.9%
Grade
-6.7%
Grade max
25%
Grade min
1,821 ft
Distance climb
282 ft
Distance down
322 ft
Distance flat
Upper Nugget Details
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Activities
- Mountain Bike
- E-Bike
- Horse
- Hike
- Trail Running
- Dirtbike/Moto
-
Riding AreaWalker Mountain
Boulder, Colorado -
Difficulty Rating
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Local Popularity30 in Mountain Biking [+]
- 5 in E-Biking
- 5 in Trail Running
- 5 in Hiking
- 5 in Dirtbiking
- 5 in Horseback
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Global Ranking
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Trail TypeSingletrack
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DirectionBoth Directions[+]
- Both Directions for E-Biking
- Both Directions for Trail Running
- Both Directions for Hiking
- Both Directions for Dirtbiking
- Both Directions for Horseback
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Dogs AllowedYes
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eBike AllowedYes up to Class 3
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Land OwnerBoulder Ranger District
No community description for Upper Nugget trail has been added yet!
AI Generated Description
Upper Nugget is a 2,451 ft less popular blue difficulty singletrack trail located near Boulder Colorado. This multi-use trail can be used both directions.
Access Info
The road on the west side of this trail is marked with private property signs. The trail itself is in USFS lands according to plat maps.
This trail is unsanctioned.
Disclaimer
Supposedly the west side spits you out on private property.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 3 rides
- 11 miles average
6 Months
- 6 rides
- 20 miles avg distance
All
- 7 rides
- Last: Jun 30, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Upper Nugget Trail Reports
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Trail reports are used to indicate a trails current condition and inform builders and other riders about any issues on a trail.
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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
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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 weeks
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- < 6 months
- > 6 months
Trail Ridden Direction
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- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
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Directions to upper-nugget trailhead
(40.085050, -105.404130)
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Nearby Trails
- Nugget Road Spur 2,365 ft
- Lower Nugget 5,098 ft
- Slaughterhouse Gulch 5,266 ft
- Nugget Road 1 mile
- Walker Mountain 1 mile
- #852492 - 69 views
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Frequently Asked Questions About Upper Nugget
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Where is Upper Nugget located?
Upper Nugget is located in Walker Mountain, Boulder, Colorado, United States. It is part of the Walker Mountain trail network. The trailhead is located at coordinates 40.08505, -105.40413.
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How hard is Upper Nugget?
Upper Nugget is rated as Blue difficulty. The average grade is 3.9%.
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What is the elevation gain for Upper Nugget?
Upper Nugget has 108 ft of elevation gain. The trail has 10 ft of elevation descent. The elevation ranges from 8,753 ft to 8,862 ft.
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Is Upper Nugget a point to point trail?
Upper Nugget is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
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