This is Kakadu National Park, it gets pretty hot up here at times but there are beautiful water holes like this one to cool off in!! However you have to be careful of the wildlife around the place!! There's no big rock though!!   Click on the map again to go to the place that is really hot and has a big rock!! When you find it, the first and last letters, which are the same (now there's a clue for you!) are 2 more letters for the secret word!!