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This trail is permanently closed/decommissioned
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3,396 ft
Distance
-223 ft
Descent
00:02:24
Avg time
-223 ft
Altitude change
7,781 ft
Altitude min
8,004 ft
Altitude max
8,004 ft
Altitude start
7,782 ft
Altitude end
-6.6%
Grade
-24.3%
Grade max
3,235 ft
Distance down
161 ft
Distance flat
00:02:24
Avg time
Upper Lost Dog Details
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaFort Valley Trail System
Flagstaff, Arizona -
Difficulty Rating
-
Local Popularity5 in Mountain Biking [+]
- 5 in Trail Running
- 5 in Hiking
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Hiking SAC ScaleT1 Hiking
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Trail TypeSingletrack
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Bike TypeAM, XC
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DirectionBoth Directions
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Climb DifficultyBlue
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Trail VisibilityAlways easy to follow
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eBike Allowed
A rough trail with a janky rock roll feature. Lots of stream crossings so I would avoid this until all of the snow is melted on the peaks. As of September 2020 this had been permanently closed.
This trail is unsanctioned.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 0 rides
All
- 12 rides
- Last: May 14, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Upper Lost Dog 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 users are riding a trail in its intended direction.
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- bi-directional trail
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Trail Last Ridden
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- > 6 months
Trail Ridden Direction
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- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
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Directions to upper-lost-dog trailhead
(35.281200, -111.655780)
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Nearby Trails
- Hotshots 1,923 ft
- Newham 2,434 ft
- Upper Hotshots 3,268 ft
- Lower Moto 3,839 ft
- Rocky Moto 4,364 ft
Fort Valley Trail System
- #280137 - 630 views
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Frequently Asked Questions About Upper Lost Dog
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Where is Upper Lost Dog located?
Upper Lost Dog is located in Fort Valley Trail System, Flagstaff, Arizona, United States. It is part of the Fort Valley Trail System trail network. The trailhead is located at coordinates 35.2812, -111.65578.
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How hard is Upper Lost Dog?
Upper Lost Dog is rated as Blue difficulty. The average grade is 6.6%. The climb difficulty is rated Blue.
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What is the elevation gain for Upper Lost Dog?
The trail has 223 ft of elevation descent. The elevation ranges from 7,781 ft to 8,004 ft.
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Is Upper Lost Dog a point to point trail?
Upper Lost Dog is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
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