excalibur holland climbing wall I almost wonder how many people come every day! Do you have to get a special pass? Do they kick you out after 45 minutes? How do they regulate traffic to the biggest unnatural climbing wall in the world?
How to Improve at Indoor Rock Climbing. Indoor rock climbing is a challenging sport, but it is also lots of fun. If you are new to indoor climbing or if you just want to improve your skills, there are several things that you can do.