Where to find Gastly in HeartGold & SoulSilver

Walk: Sprout Tower (45%, Night), Bell Tower (40%, Night), Safari Zone (20%, Night)

• Bell Tower (10F, 9F, 8F, 7F, 6F, 5F, 4F, 3F, 2F) — Walk
• Johto Safari Zone (Forest) — Walk
• Sprout Tower (3F, 2F) — Walk

Gastly in every game · Pokémon HeartGold & SoulSilver interactive map (Johto & Kanto)