Find - Groudon Pokemon Emerald

: 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.

: You must move fast. If you take too long, the weather pattern will shift, the cave will disappear, and you’ll have to check back with the scientist for a new location. Battle Details & Stats Find Groudon Pokemon Emerald

Once inside Terra Cave, you will find Groudon at the end of the tunnel. : Fly to the mentioned route immediately

: The scientist will report unusual weather patterns. You are looking for him to mention a drought or "extreme sunlight" on a specific route. : You must move fast

: Go to the second floor of the Weather Institute on Route 119 and speak to the scientist (meteorologist).

Note : If he mentions heavy rain, that refers to Kyogre. You can either catch Kyogre first or wait for the weather to reset.

In Pokémon Emerald , you can only find Groudon and becoming the Champion . Unlike Pokémon Ruby , Groudon is not a fixed encounter in the Cave of Origin; instead, it inhabits a temporary location called Terra Cave that shifts across different routes. How to Locate Groudon