geology 5 types of rock you’ll encounter when climbing outdoors We get to grips with five of the most common rocks for climbing, plus a geologist’s take on what to expect when you start adventuring vertically What are hoodoos? Learn all about the fascinating natural rock formations that make your desert adventures extra special Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Hurry! The awesome Salomon Glide Max TR trail running shoes are up to 60% off right now2Mythbusting: should you run the day before a race? Here's what experts have to say3Adidas winterizes the podium-grabbing Agravic trail shoes to let you “focus on the thrill of speed and exploration” in all conditions4Short days getting you down? BioLite’s newest “no bounce” headlamp will brighten up your nocturnal adventures5Yellowstone super-volcano unlikely to erupt anytime soon, say scientists