26.7 miles
Distance
2,307 ft
Climb
-2,286 ft
Descent
640 ft
High Point
20 ft
Altitude change
375 ft
Altitude min
452 ft
Altitude start
472 ft
Altitude end
-22.1%
Grade max
34.2%
Grade min
11 miles
Distance climb
11 miles
Distance down
5 miles
Distance flat

Loop that touches almost everything with about 50' of overlap at the bottom of IMBA. Can add blast furnace to get a touch more.

Detailed Description
Big Loop Clockwise is a 27 mile popular intermediate route located near McCalla Alabama. This mountain bike only route can be used one direction and has a moderate overall physical rating. This route includes 14 trails. This route climbs 2,307 ft with a max elevation of 640 ft then descends -2,286 ft.

Trail Issues on Route

  • Significant Issue / Amber: 3 trails (newest: Aug 30, 2026)
  • Minor Issue / Yellow: 3 trails (newest: Aug 3, 2026)
Local Trail Association
Local trail association
Birmingham Urban Mountain Pedalers (bump.org)
Please consider joining or donating to the local riding association to support trail development & maintenance.
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Stats

  • Distance
    27 miles
  • Altitude min
    375 ft
  • Altitude start
    452 ft
  • Altitude end
    472 ft
  • Climb
    2,307 ft
  • Descent
    -2,286 ft
  • Grade max
    -22.1%
  • Grade min
    34.2%
  • Distance climb
    11 miles
  • Distance down
    11 miles
  • Distance flat
    5 miles

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Trails in Route

Grist Mill2 miles
Otter3,182 ft
30A2 miles
Iron Man3 miles
Shades Creek Trail4 miles
Anvil1,509 ft
The Dam Trail3 miles
Roupe's Creek1 mile
Ridge Trail3,465 ft
Pig Iron Loop2 miles
Copperhead Road4,613 ft
IMBA Trail1 mile
Copperhead Road1,201 ft

Details

  • Riding area
    Tannehill Ironworks
  • Primary Activity
    Mountain Bike
  • Difficulty rating
    Blue
  • Route Type
    Loop
  • Bike type
    XC
  • Direction
    One Direction
  • Physical rating
    Moderate

Directions

  1. Walk southwest on Tannehill Road.
  2. Continue for 200 meters.
  3. Walk north on Access Road 1.
  4. Continue for 200 meters.
  5. Walk northeast on Access Road 1.
  6. Continue for 90 meters.
  7. Walk south on Access Road 1.
  8. Continue for 700 meters.
  9. Turn left onto Lake to Lake.
  10. Continue for 200 meters.
  11. Bear left onto Access Road 2.
  12. Continue for 20 meters.
  13. Turn left onto Lake to Lake.
  14. Continue for 500 meters.
  15. Make a sharp left onto Access Road 2.
  16. Continue for 200 meters.
  17. Walk west on Access Road 3.
  18. Continue for 20 meters.
  19. Walk west on Access Road 3.
  20. Continue for 100 meters.
  21. Walk west on Access Road 3.
  22. Continue for 90 meters.
  23. Walk southwest on Access Road 2.
  24. Continue for 500 meters.
  25. Bear left onto Lake to Lake.
  26. Continue for 400 meters.
  27. Walk northeast on Lake to Lake.
  28. Continue for 1.5 kilometers.
  29. Walk southeast on Iron Man.
  30. Continue for 600 meters.
  31. Walk northeast on Iron Man.
  32. Continue for 1 kilometer.
  33. Walk south on Iron Man.
  34. Continue for 200 meters.
  35. Walk northeast on Connector 2.
  36. Continue for 40 meters.
  37. Walk northeast on Iron Man.
  38. Continue for 50 meters.
  39. Walk northwest on Connector 2.
  40. Continue for 60 meters.
  41. Walk north on Iron Man.
  42. Continue for 30 meters.
  43. Walk southwest on Iron Man.
  44. Continue for 200 meters.
  45. Keep left to stay on Iron Man.
  46. Continue for 1.5 kilometers.
  47. Turn right onto Iron Works Loop.
  48. Continue for 600 meters.
  49. Walk southwest on Ridge Trail.
  50. Continue for 300 meters.
  51. Turn left onto Anvil.
  52. Continue for 500 meters.
  53. Turn left onto Cannon Ball Loop.
  54. Continue for 5 kilometers.
  55. Walk south on The Dam Trail.
  56. Continue for 2.5 kilometers.
  57. Turn left onto Iron Works Loop.
  58. Continue for 10 meters.
  59. Walk west on Iron Runner Loop.
  60. Continue for 1 kilometer.
  61. Walk southeast on Iron Works Loop.
  62. Continue for 20 meters.
  63. Walk east on Iron Works Loop.
  64. Continue for 20 meters.
  65. Walk northwest on Iron Works Loop.
  66. Continue for 90 meters.
  67. Walk north on Tri-County Marker Trail.
  68. Continue for 100 meters.
  69. Turn right onto Pig Iron Loop.
  70. Continue for 2 kilometers.
  71. Walk northeast on Ridge Trail.
  72. Continue for 600 meters.
  73. Make a sharp left onto Pig Iron Loop.
  74. Continue for 200 meters.
  75. Turn right to stay on Pig Iron Loop.
  76. Continue for 2 kilometers.
  77. Turn right onto Access Trail.
  78. Continue for 80 meters.
  79. Keep right to take Iron Works Loop.
  80. Continue for 80 meters.
  81. Keep right to take Access Trail.
  82. Continue for 300 meters.
  83. Walk northeast on Connector.
  84. Continue for 100 meters.
  85. Walk southeast on Iron Works Loop.
  86. Continue for 70 meters.
  87. Turn left onto IMBA Trail.
  88. Continue for 30 meters.
  89. Turn right onto Iron Works Loop.
  90. Continue for 300 meters.
  91. Make a sharp left onto IMBA Trail.
  92. Continue for 1.5 kilometers.
  93. Turn right onto Iron Works Loop.
  94. Continue for 100 meters.
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    Photos

    more photos »
    mtb
    47
    mtb
    trail: Anvil
    55
    mtb
    trail: IMBA Trail
    46
    mtb
    85

    Videos

    more videos »
    Coldwater Mountain
    mtb
    Coldwater Mountain
    trail: IMBA Trail
    2:17 | 10244 | comments: 1 | favs: 41
    Jun 7, 2013
    Coldwater Mountain in Anniston, AL, is a signature project of the International Mountain Bicycling Association (IMBA). IMBA Trail Solutions is...

    Recent Trail Reports Along Route

    statustraildateconditiondescription
    Anvil
    Aug 30, 2026 @ 7:32am (America/Chicago)
    Aug 30, 2026
    		Tree down ~halfway down the trail as of 8/29. Will need a medium sized chainsaw to clear
    Otter
    Aug 11, 2026 @ 5:59pm (America/Kentucky/Monticello)
    Aug 11, 2026
    Roupe's Creek
    Aug 8, 2026 @ 8:46am (America/Kentucky/Monticello)
    Aug 8, 2026
    Pig Iron Loop
    Aug 8, 2026 @ 8:46am (America/Kentucky/Monticello)
    Aug 8, 2026
    		Tree down
    The Dam Trail
    Aug 5, 2026 @ 5:54pm (America/Kentucky/Monticello)
    Aug 5, 2026
    		Multiple trees down. Will need chainsaws to clear.
    more reports »
    • By cdraper122TF Pro BUMP & contributors
    • #66481 - 233 views

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