Where to find Dialga in HeartGold & SoulSilver

Static Encounter: Sinjoh Ruins (With an event Arceus, Only in HeartGold)
Event: Sinjoh Ruins (Only in SoulSilver)

• Sinjoh Ruins (Sinjoh Ruins) — Static Encounter, Event

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