Cubone locations — where to catch

In Sinnoh (Diamond, Pearl & Platinum)

• Route 203 — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Johto Safari Zone — Walk
• Rock Tunnel — Walk

In Kanto (FireRed & LeafGreen)

• Pokémon Tower — Walk

In Sevii Islands (FireRed & LeafGreen)

• Sevault Canyon — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Rock Tunnel — Walk

In Kanto (Red, Blue & Yellow)

• Pokémon Tower — Walk
• Safari Zone — Walk

Other games (6)

• Brilliant Diamond / Shining Pearl (Gen 8): Route 203
• Sword / Shield — The Isle of Armor (Gen 8): Challenge Beach, Courageous Cavern, Forest of Focus, Potbottom Desert, Warm-Up Tunnel
• Let's Go, Pikachu! / Let's Go, Eevee! (Gen 7): Pokemon Tower, Rock Tunnel
• Ultra Sun / Ultra Moon (Gen 7): Wela Volcano Park
• Sun / Moon (Gen 7): Wela Volcano Park
• X / Y (Gen 6): Glittering Cave

Cubone — full Pokédex entry