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2.1 miles
Distance
12 ft
Climb
-799 ft
Descent
00:15:12
Avg time
-786 ft
Altitude change
5,623 ft
Altitude min
6,410 ft
Altitude max
6,410 ft
Altitude start
5,623 ft
Altitude end
-7.1%
Grade
-33.4%
Grade max
14.4%
Grade min
659 ft
Distance climb
2 miles
Distance down
364 ft
Distance flat
00:15:12
Avg time
40 - Clark Spring Details
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaGranite Basin
Prescott, Arizona -
Difficulty Rating
-
Local Popularity65 in Mountain Biking [+]
- 90 in Trail Running
- 80 in Hiking
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Global Ranking
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State Ranking
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Trail TypeSingletrack
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DirectionBoth DirectionsPopular Direction Shown
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Climb DifficultyBlue
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Physical RatingHard
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Dogs AllowedYes
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Ride in RainYes
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Land Owner
Clark Spring trail 40 is a long winded climb when heading towards trail 37 from 349. There is some technical climbing with water bars and tight switchbacks. This can be a great out and back when done in this direction as the return trip is primarily downhill and very fun.
Trail Supporters
USFSLand Manager
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
- 0 rides
6 Months
- 22 rides
- 17 miles avg distance
All
- 142 rides
- Last: Sep 18, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
40 - Clark Spring 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.
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
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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
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- 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.
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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 40-clark-spring trailhead
(34.600420, -112.574510)
Photos
4 more »
Videos
3 more »
mtb
3:47:18 |
22 |
Sep 4, 2025 , Prescott
mtb
9:02 |
290 |
Sep 4, 2021 , Prescott
mtb
26:50 |
277 |
Jul 26, 2021 , Prescott
Routes with this trail
67 miles • 7,349 ft • 19 • Loop •
This is an all-day adventure course, and is for those who like to suffer on the bike. There's a refueling...
15 miles • 2,010 ft • 5 •
Start at Spence Springs TH. Ride a loop into and out of Granite Basin, passing by the lake for a swim.
Trail Products
3 Reviews & Comments
ajriding
More of horse trail. Steep n gravel a lot. Lots of ankle scraping bushes so eyeful for rattlers. Scenic next to Rock Mtn but not one u will talk about over dinner
everyheroneedsavillain
Yo man the lower part of this trail is trail 37 Little Granite, Trail 40 is Clark Springs. Will upload a GPS track for 37, 38, 39, and 40. See http://prescott-trailmaps.com/prescott/tn2w3.html in the meantime
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Nearby Trails
- Alto Pit Connector 1 mile
- Circus Maximus 1 mile
- 351 - West Lake 2 miles
- Granite Connector 2 miles
- 350 - Surprise Springs 2 miles
- By todd
Trailforks & contributors - #14662 - 2,828 views
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