After you beat Volkner(The Sunnyshore gym leader) you go to the beach and Jasmine(Who is actually a Johto Steel type Gym leader) will give you the HM Waterfall.
How to change your username How to add a user avatar Why was my post hidden? Question etiquette Flags vs Downvotes Anime FAQ Official PokemonDb League
Type a Pokemon name, type, move or ability to see instant results.