According to (research by) 8a.nu these are the BIGGEST climbing gyms in the world. Two of them being situated in the Netherlands. How suprising.....
BTW Thalkirken DAV Munich - 5 000m2 (picture above)
Kletterzentrum Gaswerk - 4 000m2: 17 meters high
Ratho in Edinburgh - 3 214m2
Sydney Indoor Gym - 2 800m2: 16 meters high
Klimhal Amsterdam - 2 550m2: 21 meters high
Milandia - 2 500m2: 12 meters high
Klimax Puurs - 2 000m2: 21 meters high
Klimhal Nijmegen - 1 900 m2: 19 meters high
Camp5 Kuala Lumpur - 1 900m2: 16 meters high
(source: 8a.nu)
