Where to find Geodude in HeartGold & SoulSilver

Walk: Mt. Mortar (50%), Union Cave (50%), Dark Cave (40%) + 7 more
Rock Smash: Rock Tunnel (100%), Ruins of Alph (100%), Cerulean Cave (90%) + 2 more
Static Encounter: Team Rocket HQ

• Cerulean Cave (1F, B1F) — Rock Smash
• Cliff Cave — Walk
• Dark Cave (Blackthorn City Entrance, Violet City Entrance) — Rock Smash, Walk
• Johto Safari Zone (Peak) — Walk
• Mt. Moon (2F, 1F) — Walk
• Mt. Mortar (Upper Cave, 1F, Lower Cave, B1F) — Walk
• Rock Tunnel (1F, B1F) — Rock Smash, Walk
• Route 45 — Walk
• Route 46 — Walk
• Route 47 — Walk
• Ruins of Alph — Rock Smash
• Team Rocket HQ (B1F) — Static Encounter
• Union Cave (1F, B1F, B2F) — Walk
• Victory Road (3F) — Rock Smash

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