Artazon, East Province (Area One), South Province (Area Four), South Province (Area Two), West Province (Area Three) — 5 locations on the interactive map.
Apple Hills, Kitakami Road, Kitakami Wilds, Oni Mountain, Paradise Barrens, Timeless Woods, Wistful Fields — 7 locations on the interactive map.
Hoenn Pokémon Center, Safari Zone — 2 locations on the interactive map.
Kanto Power Plant, Pallet Town, Viridian Forest — 3 locations on the interactive map.
Route 2 — 1 location on the interactive map.
Pichu → Pikachu (Happiness ≥ 220) → Raichu (Thunder Stone)