Where to find Caterpie in HeartGold & SoulSilver

Walk: Unknown; all bugs (100%, Only in HeartGold), Ilex Forest (40%, Morning, Day, Only in HeartGold), Viridian Forest (40%, Morning, Day, Only in HeartGold) + 4 more
Headbutt: Ilex Forest (30%, Common tree, Only in HeartGold)

• Ilex Forest — Headbutt, Walk
• National Park — Walk
• Route 2 — Walk
• Route 30 — Walk
• Route 31 — Walk
• Viridian Forest — Walk

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