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3,114 ft
Distance
185 ft
Climb
-30 ft
Descent
00:42:37
Avg time
155 ft
Altitude change
9,211 ft
Altitude min
9,382 ft
Altitude max
9,211 ft
Altitude start
9,367 ft
Altitude end
5%
Grade
-10.9%
Grade max
21.2%
Grade min
1,949 ft
Distance climb
1,001 ft
Distance down
167 ft
Distance flat
00:42:37
Avg time
Thunder Mountain Summit Details
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Activities
- Hike
- Mountain Bike
- Trail Running
-
Riding AreaKirkwood Mountain Resort
Kirkwood, California -
Ref Number#17E04
-
Difficulty Rating
-
Local Popularity30 in Mountain Biking [+]
- 90 in Trail Running
- 85 in Hiking
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Global Ranking
-
State Ranking
-
Hiking SAC ScaleT1 Hiking
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Trail TypeSingletrack
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DirectionBoth DirectionsPopular In Reverse
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Dogs AllowedYes
-
eBike Allowed
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Land OwnerUSFS
No community description for Thunder Mountain Summit trail has been added yet!
AI Generated Description
Thunder Mountain Summit is a 3,114 ft less popular blue difficulty singletrack trail located near Kirkwood California. Highlights include a summit. This hike primary trail can be used both directions. On average it takes 42 minutes to complete this trail.
Bike Park
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 2 rides
- 9 miles avg distance
All
- 8 rides
- Last: Mar 14, 2026
Thunder Mountain... 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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Trail Popularity ?
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BC Backroad Status
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Directions to thunder-mountain-summit trailhead
(38.675400, -120.085470)
Photos
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Videos
1 more »
mtb
6:35 |
125 |
Jul 28, 2023 , Kirkwood
Routes with this trail
12 miles • 2,623 ft • 7 • Loop •
10 miles • 2,312 ft • 5 • Out & Back •
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Nearby Trails
- Thunder Mountain Loop (south) 0 ft
- Hole `n Wall 3,474 ft
- Upper Jemma's Jungle 3,514 ft
- Cutback 4,006 ft
- Horse Canyon Trail - Upper 4,656 ft
Kirkwood Mountain Resort
- By chuktA
TRAILFORKS NFTA NBBC & contributors - #578196 - 1,086 views
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