6.4 miles
Distance
921 ft
Climb
-906 ft
Descent
1,648 ft
High Point
15 ft
Altitude change
1,128 ft
Altitude min
1,130 ft
Altitude start
1,145 ft
Altitude end
-64.1%
Grade max
37.9%
Grade min
3 miles
Distance climb
2 miles
Distance down
3,278 ft
Distance flat

7 mile loop using Thunder Rock as a downhill.

Detailed Description
Thunder Rock Loop is a 6 mile moderately popular intermediate route located near Ducktown Tennessee. This mountain bike only route can be used both directions and has a moderate overall physical rating. This route includes 4 trails. This route climbs 921 ft with a max elevation of 1,648 ft then descends -906 ft.
Tags

Trail Issues on Route

  • Minor Issue / Yellow: 1 trail (newest: Jul 11, 2026)

Local Trail Association

Local trail association
SORBA Chattanooga (www.sorbachattanooga.org)
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Stats

  • Distance
    6 miles
  • Avg time
    1 hr 14 min
  • Altitude min
    1,128 ft
  • Altitude start
    1,130 ft
  • Altitude end
    1,145 ft
  • Climb
    921 ft
  • Descent
    -906 ft
  • Grade max
    -64.1%
  • Grade min
    37.9%
  • Distance climb
    3 miles
  • Distance down
    2 miles
  • Distance flat
    3,278 ft

3 Reviews & Comments


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Details

  • Riding area
  • Primary Activity
    Mountain Bike
  • Difficulty rating
    Blue
  • Route Type
    Loop
  • Direction
    Both Directions
  • Physical rating
    Moderate
  • Activity Logs
    4
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Trail transparency
  • Singletrack
  • Unpaved
mtb
101
mtb
76
youtuber We threw our own DANCE PARTY at Tanasi Trails.
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We threw our own DANCE PARTY at Tanasi Trails.
18:20 | 709 | comments: 0 | favs:
Aug 25, 2020
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YouTube
8:28 | 821 | comments: 0 | favs:
Apr 19, 2019

Recent Trail Reports Along Route

statustraildateconditiondescription
Thunder Rock Trail
Jul 11, 2026 @ 2:22pm (America/New_York)
Jul 11, 2026
2 trees down, all passable.
Rhododendron
Jun 28, 2026 @ 11:53am (America/Kentucky/Monticello)
Jun 28, 2026
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Apr 21, 2025 @ 4:49pm
Apr 21, 2025
Bear Paw Loop
Apr 21, 2025 @ 4:41pm
Apr 21, 2025
more reports »
  • By veronica892 & contributors
  • #20216 - 1,596 views

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