Hello Guest You could say 'climbed up into a tree' and 'climbed from branch to branch'. 'Climbed in a tree' would only work (to my mind) if the tree were were of a very enclosed configuration, so that 'in' became almost a metaphor ('inside'). ) MrP
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.