Once inside Terra Cave, you will find Groudon at the end of the tunnel.
: The scientist will report unusual weather patterns. You are looking for him to mention a drought or "extreme sunlight" on a specific route. Find Groudon Pokemon Emerald
: Groudon will appear on one of four possible routes: 114, 115, 116, or 118 . Once inside Terra Cave, you will find Groudon
: Fly to the mentioned route immediately. You will notice the screen glowing with intense sunlight . Look for a new cave entrance (a hole in a wall) that wasn't there before. Once inside Terra Cave