List of longest natural arches

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This list of longest natural arches ranks the world's natural arches by the length of their span as reported by the Natural Arch and Bridge Society.

As a disclaimer, the NABS states that the information in this list, and therefore the rankings, are subject to change due to a variety of reasons that may include updated measurements, changes in span due to natural forces, and the discovery of previously unknown arches.[1]

Longest natural arches

    Rank Name Location Length (m) Length (ft) Notes
Image of Xian Ren Qiao (Fairy Bridge 1 Xian Ren Qiao (Fairy Bridge) Guangxi, China 121
(+/-5)		 400
(+/-15)		 Span measured by Natural Arch and Bridge Society, October 2010.[2]
2 Landscape Arch Arches National Park, Utah, USA 88 290 Span measured by laser in 2004 [3]
3 Kolob Arch Zion National Park, Utah, USA 87 287 Formerly considered longest until measured by laser in 2006 [4]
4 Aloba Arch Ennedi Plateau, Chad 76 250 Rank based on estimated length only [5]
5 Morning Glory Natural Bridge Negro Bill Canyon, Utah, USA 74 243 Is not technically a natural bridge [6]
6 Rainbow Bridge Glen Canyon National Recreation Area, Utah, USA 71 234 Formerly considered 3rd longest until measured by laser in 2007 [7]
7 Gaotun Natural Bridge Guizhou, China 70 230
8 Sipapu Natural Bridge Natural Bridges National Monument, Utah, USA 69 225 Previously ranked 4th longest until measured by laser in 2007 [8]
9 Stevens Arch Escalante Canyon, Utah, USA 67 220 Rank based on estimated length only [9]
10 Shipton's Arch Xinjiang, China 65 212
10 Jiangzhou Arch Guangxi, China 65 212
12 Hazarchishma Natural Bridge Bamiyan Province, Afghanistan 64.2 210.6 Recently discovered in 2010 [10]
13 Outlaw Arch Dinosaur National Monument, Colorado, USA 63 206 Recently discovered in 2006 [11]
14 Snake Bridge Sanostee, New Mexico, USA 62 204 Not accessible by the general public [12]
N/A Wrather Arch Wrather Canyon, Arizona, USA 75/55 246/180 Originally believed to be 246 feet, but NABS states that it cannot be more than 180 feet [13]

References

  1. ^ Brandt-Erichsen, David. "A tour of the Big Ten". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  2. ^ The Natural Arch and Bridge Society, Fairy Bridge
  3. ^ Wilbur, Jay. "The Dimensions of Landscape Arch: Removing the Uncertainty". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  4. ^ Wilbur, Jay. "The Dimensions of Kolob Arch". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  5. ^ "Aloba Arch". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  6. ^ "Morning Glory Natural Bridge". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  7. ^ Wilbur, Jay. "The Dimensions of Rainbow Bridge". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  8. ^ "Sipapu Natural Bridge". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  9. ^ "Stevens Arch". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  10. ^ "Giant natural arch found in Afghanistan". Wildlife Conservation Society. Retrieved 2011-03-30.
  11. ^ "Outlaw Arch". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  12. ^ "Snake Bridge". Natural Arch and Bridge Society. Retrieved 2008-05-19.
  13. ^ "Wrather Arch". Natural Arch and Bridge Society. Retrieved 2008-05-19.
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