He might have got grip of something or landed on some bushes or in a tree, or maybe he fell in a water. However I do not think he fell in such a ledge in the book
Chat with our AI personalities
Know the ledge from the movie juice by Eric B and Rakim
Eric B. & Rakim - Juice (Know The Ledge)
Well, darling, it really depends on the individual. Some folks might get the heebie-jeebies from heights, so a ledge would have them shaking like a leaf. Others might be more spooked by cramped spaces, so a lodge would have them feeling like a cat on a hot tin roof. It's all about personal preference, honey.
Remove the batteries from the remote control
It was a steep-walled bay with a grassy floor and at its inner end was a flat wall as smooth as mason's work. Though the secret door was in that wall it could neither be seen nor opened.