You find it in the caves on Island 4 of the Sevii Islands.
There is no HM Waterfall in FireRed. That move wasn't introduced until Gen lll (Ruby, Sapphire, and Emerald).
you go to four island icefall cave and get it
The short answer is no. There is no Dive, HM 08, in Pokemon FireRed.
Their are 7 HM's available in Firered.
You cannot get it in Pokemon FireRed. It doesn't matter because it is not necessary in Pokemon FireRed.
That HM is called Waterfall.
Where did you hear that? There is no such HM as remover in any game.
icefall cave
pour water on your game
waterfall
At rt 2.
HM 8 doesn't exist in Pokemon Fire Red or Leaf Green.
It lets you ride up on waterfalls. Some places are only aplicable by using waterfalls.
Celadon City