Go to four island and enter icefall cave HM7 is in there and its waterfall.
Chat with our AI personalities
You can't find a Vulpix in Pokemon FireRed version. That pokemon is version-exclusive to Pokemon LeafGreen.
You find HM08 Waterfall on BF4 of the Cave of Origin
after beating the game, insert the Pokemon leafgreen version for gameboy advanced in the GBA slot. You can then catch Pokemon from that version.
To get waterfall, get the rainbow pass, and go to four island. At the end of Icefall Cave, you will find waterfall.
You cant. You need to trade it from Ruby, sapphire or emerald version.