Route 20 — Pokémon Phoenix Red
Every wild Pokémon here, by encounter method.
Route 20 lists 6 Pokémon across 4 encounter methods (surf, old rod, good rod, super rod), between level 10 and 35.
Route 20 in other guides
The same area in other ROM hacks on this site. Each one has its own encounter table.
Celia's Stupid RomhackFire Red OmegaInfinite FusionPokemon Kanto Expansion PakPokémon Aesthetic RedPokémon AmbrosiaPokémon FireRed & LeafGreen+Pokémon FireRed: Rocket EditionPokémon Heart & SoulPokémon Polished CrystalPokémon SoothingSilverRadical RedSacred Gold & Storm SilverYu-Gi-Oh POKeDUEL
The original game's table for this area:
Opens up at Route 19 to Cinnabar Island — Blaine.