more stats
4,738 ft
Distance
34 ft
Climb
-14 ft
Descent
00:05:26
Avg time
19 ft
Altitude change
9,280 ft
Altitude min
9,307 ft
Altitude max
9,280 ft
Altitude start
9,298 ft
Altitude end
0.4%
Grade
-4.9%
Grade max
6.2%
Grade min
2,136 ft
Distance climb
991 ft
Distance down
1,614 ft
Distance flat
00:05:26
Avg time

Granny's Details

  • Activities
    • Mountain Bike
    • Winter Fat Bike
    • Hike
    • Trail Running
  • Riding Area
    Keystone
    , Colorado
  • Difficulty Rating
    Green Rate
  • Local Popularity
    85 in Mountain Biking [+]
    • 75 in Trail Running
    • 5 in Hiking
  • Global Ranking
    #67865 in Mountain Biking [+]
    • #104158 in Trail Running
    • #70844 in Hiking
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC, Fat
  • Direction
    Both Directions
  • Dogs Allowed
    Yes
  • eBike Allowed
    No

Starts off with a bit off a steep descent off of the Aqueduct Trail, but once you cross Keystone Gulch it is a really flat and easy spin connecting to the resort access roads

Trail Supporters

  • USFS
    Land Manager
Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 2 rides
  • 19 miles average
6 Months
  • 21 rides
  • 22 miles avg distance
All
  • 138 rides
  • Last: Sep 21, 2026
c1c2c3c4
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Granny's Trail Reports

statusdatedescription
Nov 12, 2025 @ 12:29pm (America/Denver)
Nov 12, 2025
 reporter
Sep 2, 2025 @ 11:01am
Sep 2, 2025
 reporter
Jun 10, 2025 @ 11:36am
Jun 10, 2025
 reporter
Aug 15, 2024 @ 12:10pm
Aug 15, 2024
 reporter
Jul 10, 2024 @ 4:35am
Jul 10, 2024
 reporter
more »
Status:
on Nov 12, 2025
Dry
Avg: 3.76 (3 votes)
Your vote: 0

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      Directions to granny-s trailhead (39.599700, -105.975050)
      View on Discover Map

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      Routes with this trail

      76
      2020 K4-Mother
      41 miles • 5,890 ft • 11 • Loop •
      46
      K4-Mother
      25 miles • 3,606 ft • 7 • Loop •
      3.4 ★★★★★
      3 Ratings
      5 ★
      4 ★ 33%
      3 ★ 67%
      2 ★
      1 ★

      1 Review & Comments

      rD2gxa
      If in Keystone, this is a quick warmup before getting to the gulch. Quick and fun compared to street

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      Nearby Trails

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      Frequently Asked Questions

      ▼ Where is Granny's located?
      Granny's is located in Keystone, Colorado, United States. It is part of the Keystone trail network. The trailhead is located at coordinates 39.5997, -105.97505.
      ▼ How hard is Granny's?
      Granny's is rated as Green difficulty. The average grade is 0.4%.
      ▼ What is the elevation gain for Granny's?
      Granny's has 34 ft of elevation gain. The trail has 14 ft of elevation descent. The elevation ranges from 9,280 ft to 9,307 ft.
      ▼ Is Granny's a point to point trail?
      Granny's is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
      ▼ How long is Granny's?
      Granny's is 4,738 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on Granny's?
      Yes, dogs are allowed on Granny's. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access Granny's? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Granny's are: View all parking locations in the area.
      ▼ How long does it take to ride Granny's?
      Based on recorded activities, it takes an average of 6 minutes to ride Granny's. The trail is 4,738 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is Granny's?
      Granny's is a very popular trail. There have been 905 recorded activities on this trail. The trail has received 991 check-ins. View recent activity on this trail.

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