What Pokemon can learn waterfall and fly on emerald?

In Pokémon Emerald, the only Pokémon that can learn both Waterfall and Fly are:

* Gyarados: Gyarados learns Waterfall at level 35 and Fly at level 47.

It's important to note that Gyarados doesn't learn these moves naturally. You need to teach it Fly and Waterfall using TMs.

Let me know if you'd like more information about Pokémon Emerald!