Pokémon Yellow walkthrough · Part 12 of 12
Part 12: Beat the Elite Four and the Champion
Beat the Elite Four and the Champion opens 1 area.
Where to go
Cerulean Cave
Wild: Magikarp 100% · Lv 5, Seaking 60% · Lv 35-55, Goldeen 50% · Lv 10, Poliwag 50% · Lv 10 +13 more
This game's documentation doesn't say where 4 of its 343 fights happen, so those trainers are on no part of this walkthrough; they are all on the Trainers page. It also doesn't say when Kanto Underground Path opens up, so it is in no part above; it has its own route page.