Route 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 21, 23, Celadon City, Mt. Moon, Mt. Moon Summit, Rock Tunnel
Mt. Mortar (static), Route 9, 13, 14, 15, 17, 18, 21, 23, 30, 31, 32, 33, 42, 43, Cerulean Cave, Dark Cave, Ilex Forest, Mt. Moon Summit, Mt. Mortar, Mt. Silver, Pokémon Tower, Rock Tunnel, Seafoam Islands, Sky Pillar, Slowpoke Well, Tohjo Falls, Union Cave, Victory Road, Evolve Zubat (Lv22)
Mt. Mortar (static), Tohjo Falls, Union Cave, Evolve Golbat (Lv40)
Route 8, 17, 23, Celadon City, Rock Tunnel, Viridian Forest, Viridian River
Mt. Mortar (static), Route 21, 46, Cerulean Cave, Mt. Ember, Victory Road, Evolve Zubat (Lv22)
Mt. Mortar (static), Ilex Forest, Mt. Silver, Evolve Golbat (Lv40)