Where to find Slugma in HeartGold & SoulSilver

Walk: Route 17 (20%), Route 16 (5%), Route 18 (5%)
Egg from Primo in Violet City

• Route 16 — Walk
• Route 17 — Walk
• Route 18 — Walk

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