Climbing is natural cat behaviour. Like all young creatures, they’ve got a desire to explore their world and climbing is one way of doing this. But it’s also part of their instincts. In the wild, cats climb trees and jump and leap long distances as they move through their territory, dodge danger and find food. Getting up high gives cats a better chance of spotting their prey, while also giving them protection from whatever’s hunting them. Cats’ bodies are made to climb and to make use of vertical, as well as horizontal, space.
It doesn’t matter whether they’re wild outdoor cats or domesticated indoor cats, all cats, especially kittens, want to climb. To protect your furniture (and your legs!), the key is rewarding good behaviour and ignoring unwanted behaviour. Over time, your kitten will learn that there are spaces that are ok to jump and climb on, and consequences when they try to flex their climbing skills elsewhere.