Ruins of Alph (area 1 of 5) — Pokémon SoothingSilver
Every wild Pokémon here, by encounter method.
Ruins of Alph (area 1 of 5) lists 15 Pokémon across 15 encounter methods (grass, surf, old rod, good rod, and more), between level 3 and 40. 5 of them are on no other route's wild tables in this guide: Natu, Smeargle, Registeel, Dialga, Arceus.
Opens up at 1 badge — Zephyr (Falkner, Violet).
