more stats
1.6 miles
Distance
286 ft
Climb
-367 ft
Descent
00:21:17
Avg time
-81 ft
Altitude change
2,715 ft
Altitude min
2,981 ft
Altitude max
2,796 ft
Altitude start
2,715 ft
Altitude end
-0.983%
Grade
-21.708%
Grade max
21.056%
Grade min
3,411 ft
Distance climb
4,483 ft
Distance down
314 ft
Distance flat
00:21:17
Avg time

Explorer Details

  • Activities
    • Mountain Bike
    • Horse
    • Hike
    • Trail Running
  • Riding Area
    Tucson Mountain Park
    Tucson, Arizona
  • Difficulty Rating
    Black Diamond Rate
  • Voted Difficulty
    Black Diamond (3 votes)
  • Local Popularity
    90 in Mountain Biking [+]
    • 90 in Trail Running
    • 75 in Hiking
    • 5 in Horseback
  • Global Ranking
    #39945 in Mountain Biking [+]
    • #710 in Trail Running
    • #27133 in Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions
  • Dogs Allowed
    Yes
  • eBike Allowed
    No
  • Land Owner
    Pima County

Connector between Starr Pass valley and Robles Pass trails. Trials skills needed for a short section in the middle, but fun ripping descent down either side.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 15 rides
  • 20 miles avg distance
All
  • 364 rides
  • Last: Aug 8, 2026
c1c2c3c4
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Explorer Trail Reports

statusdatedescription
Jan 20, 2026 @ 3:36pm (America/Phoenix)
Jan 20, 2026
Dec 25, 2024 @ 10:14am
Dec 25, 2024
Apr 2, 2023 @ 7:10pm
Apr 2, 2023
 Dry and punchy...fun
Feb 27, 2023 @ 11:15pm
Feb 27, 2023
Dec 8, 2022 @ 6:05am
Dec 8, 2022
 New sections of trail are running really nice after the rains last weekend.
more »
Status:
on Jan 20, 2026
Dry
Avg: 3.96 (21 votes)
Your vote: 0

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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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  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
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  • < 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
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BC Backroad Status

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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to explorer-15432 trailhead (32.189790, -111.065330)
        View on Discover Map

        Photos

        8 more »
        mtb
        39 |
        Dec 29, 2025 @ 5:24pm
        Dec 29, 2025
        mtb
        113 |
        Dec 21, 2024 @ 12:59pm
        Dec 21, 2024
        mtb
        122 |
        Dec 20, 2024 @ 4:09pm
        Dec 20, 2024
        mtb
        363 |
        Mar 8, 2022 @ 12:40am
        Mar 8, 2022

        Videos

        1 more »
        Riding Singletrack and Chunk in Tucson -...
        mtb
        9:07 | 592 | Dec 1, 2020 , Tucson

        Trail Lists

        Routes with this trail

        15
        The Gnarr Passes
        ★ 5.0 • 15 miles • 1,548 ft • 9 • Loop •
        loop that will test your ability to clean chunky, techy climbs. What you dont clean today, you can try...
        38
        TucsonMtnParkTour
        ★ 3.5 • 17 miles • 1,518 ft • 12 • Loop •
        This links together some of the better intermediate riding on the east side of Tucson Mountain Park,...
        29
        Freehub: Explorer
        5 miles • 754 ft • 5 • Point to Point •
        is a chunky, technical gateway to the Tucson Mountain Park trail system. It’s a staple for Tucson locals...
        4.0 ★★★★★
        21 Ratings
        5 ★ 38%
        4 ★ 33%
        3 ★ 19%
        2 ★ 5%
        1 ★ 5%

        12 Reviews & Comments


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        Nearby Trails

        Tucson Mountain Park

        • By toddTF Pro Trailforks & contributors
        • #15432 - 4,033 views

        Frequently Asked Questions About Explorer

        ▼ Where is Explorer located?
        Explorer is located in Tucson Mountain Park, Tucson, Arizona, United States. It is part of the Tucson Mountain Park trail network. The trailhead is located at coordinates 32.18979, -111.06533.
        ▼ How hard is Explorer?
        Explorer is rated as Black Diamond difficulty. The average grade is 0.983%.
        ▼ What is the elevation gain for Explorer?
        Explorer has 286 ft of elevation gain. The trail has 367 ft of elevation descent. The elevation ranges from 2,715 ft to 2,981 ft.
        ▼ Is Explorer a point to point trail?
        Explorer is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
        ▼ How long is Explorer?
        Explorer is 1.6 miles long. The trail type is singletrack.
        ▼ Are dogs allowed on Explorer?
        Yes, dogs are allowed on Explorer. Please keep dogs on a leash where required and clean up after them.
        ▼ When is the best time of year to ride Explorer?
        Based on activity log data, the most popular months to ride Explorer are:
        • February (35 activities)
        • January (22 activities)
        • December (19 activities)
        Check the reports page for current trail conditions.
        ▼ How do I access Explorer? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Explorer are: View all parking locations in the area.
        ▼ How long does it take to ride Explorer?
        Based on recorded activities, it takes an average of 25 minutes to ride Explorer. The trail is 1.6 miles long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        ▼ How busy is Explorer?
        Explorer is a very popular trail. There have been 2,597 recorded activities on this trail. The trail has received 2,628 check-ins. View recent activity on this trail.

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