more stats
1.2 miles
Distance
59 ft
Climb
-489 ft
Descent
00:18:34
Avg time
-430 ft
Altitude change
1,276 ft
Altitude min
1,744 ft
Altitude max
1,706 ft
Altitude start
1,276 ft
Altitude end
-6.9%
Grade
-42.3%
Grade max
15.7%
Grade min
1,270 ft
Distance climb
4,623 ft
Distance down
371 ft
Distance flat
00:18:34
Avg time

Tondum Wihom (Lower) Details

  • Activities
    • Hike
    • Mountain Bike
    • E-Bike
    • Trail Running
  • Riding Area
    South Mountain Preserve
    Phoenix, Arizona
  • AKA
    Geronimo
  • Difficulty Rating
  • Voted Difficulty
    Double Black Diamond (6 votes)
  • Local Popularity
    40 in Mountain Biking [+]
    • 40 in E-Biking
    • 70 in Trail Running
    • 75 in Hiking
  • Global Ranking
    #4494 in Mountain Biking [+]
    • #10301 in E-Biking
    • #1786 in Trail Running
    • #21895 in Hiking
  • Hiking SAC Scale
    T2 Mountain Hiking
  • Trail Type
    Singletrack
  • Bike Type
    DH, AM
  • Climb Difficulty
    Black Diamond
  • Physical Rating
    Moderate
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes up to Class 1
  • TTFs on Trail
    Drop, Rock Face
  • Land Owner

The original alignment down to the Boy Scout Camp is now CLOSED.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 3 rides
  • 14 miles avg distance
All
  • 175 rides
  • Last: May 5, 2026
c1c2c3c4
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Tondum Wihom (Lower) Trail Reports

statusdatedescription
Jan 10, 2024 @ 7:38pm
Jan 10, 2024
Cropped trail to remove the CLOSED lower portion of the trail through the Boy Scout camp.
Nov 22, 2023 @ 10:33pm
Nov 22, 2023
Nov 4, 2023 @ 12:43pm
Nov 4, 2023
I was informed today 11/4/2023 by the South Mountain Park Director that they will be closing the lower portion of Geronimo, past the intersection...
May 26, 2023 @ 10:03pm
May 26, 2023
Feb 19, 2023 @ 1:31am
Feb 19, 2023
I made a terrible mistake and tried to ride up this. If I were descending it, I'd be thinking double black. Recommend: Don't push your bike up...
more »
Status:
on Jan 10, 2024
Dry
Avg: 4.1 (23 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
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        Directions to tondum-wihom-lower trailhead (33.355810, -112.042760)

        Photos

        11 more »
        71 |
        Feb 24, 2024 @ 9:47pm
        Feb 24, 2024
        70 |
        Jan 14, 2024 @ 2:12pm
        Jan 14, 2024
        101 |
        Apr 13, 2023 @ 9:04am
        Apr 13, 2023
        149 |
        Mar 26, 2023 @ 10:03pm
        Mar 26, 2023

        Videos

        23 more »
        youtuber Non-Stop Action at Geronimo! | South Mountain...
        6:10 | 1273 | Jan 31, 2019 , Phoenix
        youtuber They call him Kaj Danger- and we rode Geronimo!
        7:57 | 887 | Oct 31, 2019 , Phoenix
        youtuber GERONIMO TRAIL at South Mountain Park
        8:48 | 513 | Sep 11, 2019 , Phoenix
        youtuber GERONIMO // Yes, that's what the trail is called
        8:43 | 1163 | Feb 22, 2018 , Phoenix

        13 Reviews & Comments


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        Frequently Asked Questions About Tondum Wihom (Lower)

        Where is Tondum Wihom (Lower) located?
        Tondum Wihom (Lower) is located in South Mountain Preserve, Phoenix, Arizona, United States. It is part of the South Mountain Preserve trail network. The trailhead is located at coordinates 33.35581, -112.04276.
        How hard is Tondum Wihom (Lower)?
        Tondum Wihom (Lower) is rated as Black Diamond difficulty. The physical rating is Moderate. The average grade is 6.9%. The climb difficulty is rated Black Diamond.
        What is the elevation gain for Tondum Wihom (Lower)?
        Tondum Wihom (Lower) has 59 ft of elevation gain. The trail has 489 ft of elevation descent. The elevation ranges from 1,276 ft to 1,744 ft.
        How long is Tondum Wihom (Lower)?
        Tondum Wihom (Lower) is 1.2 miles long. The trail type is singletrack.

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