go inside the icy path and pickup all items you see one of them will be waterfall
Pokémon need to be taught Waterfall in order to climb Waterfalls. In Pokémonn Gold, the Waterfall HM can be found within the Ice Cave.
That HM is called Waterfall.
you need to use the HM waterful you get from a girl called jasmine in sunyshore first defeat the gym
You don't.
you cant
You canβt actually go through any waterfalls. You go up them by using HM Waterfall, which is gifted to you by Jasmine after defeating Volkner in Sunnyshore City.
It's impossible to deleat a HM.
With hm strenght.
on the ice path
You cannot go through waterfalls but you can climb them with the HM waterfall and a Pokemon that can learn it... you will also need the corrosponding gym badge
You can find it in the Dark Cave.
There is no HM Dive in either Pokemon Silver/Gold or Heartgold/SoulSilver. It is exclusive to the Hoenn games.