The Emerald Caverns are more like a group of large, underground tunnels surrounded by emeralds. You must get out of them to go to the next area!

Wild Pokemon:
A lot of Ground- and some Bug-types. There are no Flying-types, as those Pokemon do not live underground. Once or twice you might see a different Pokemon, possibly have fallen or gotten lost in the tunnels.

Beware of...
Be careful not to get lost! Make sure your Pokemon are staying close to you, or they might accidentally wander off. Also, I heard some poor Pokemon got lost... maybe you could find and rescue them? Otherwise, get out of here as soon as you can! O_O