Even the likes of George Mallory and Sir Edmund Hillary had to start somewhere. Now I don't actually know if they tootled off in their teens to a climbing wall in their respective hometowns, but they may well have done.
And for beginners, to give climbing a go doesn't mean you have to have the ultimate aim of scaling Everest, though to have that ambition shouldn't be discouraged.
People go climbing for all sorts of reasons – it may be the fresh air; the amazing views had from high points; the adrenalin rush; the physical exercise; the mental challenge.
Though the views may not be anything special and the air not quite as fresh as that of the great outdoors, a climbing wall can still be a thrill-inducing experience, and is certain to push you to physical and mental extremes.
If you're interested in giving it a try, look no further than The Reach in Woolwich, home to south London's largest climbing wall.
They have a range of climbing apparatus awaiting the grip of your sweaty palms. Whether you're a newbie whose last climb was up a tree when you were seven years old, or a Mallory wannabe who probably already engages in a fair amount of outdoor climbing but wants the chance to sharpen those scaling skills, The Reach can help out.
Lessons are available for those just starting out, and are of course conducted by experts in a safe environment.
And if heights are a problem, you can still give climbing a go – The Reach also has the Training Room, where for just £12.50 you can get a one hour training session on a variety of apparatus, none of which will cause a problem for those with a fear of high places.
If the only climbing you've done lately is into bed, you may want to consider a more challenging activity like this. You never know, you may end up on top of Everest.