Where to catch Pineco

In Paldea (Scarlet & Violet)

• East Province (Area One) — Walk
• East Province (Area Two) — Walk
• South Province (Area Four) — Walk
• Tagtree Thicket — Walk
• West Province (Area Three) — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Safari Zone — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Azalea Town — Headbutt, Walk
• Ilex Forest — Headbutt, Walk
• Lake of Rage — Headbutt, Walk
• Route 26 — Headbutt, Walk
• Route 27 — Headbutt, Walk
• Route 29 — Headbutt, Walk
• Route 30 — Headbutt, Walk
• Route 31 — Headbutt, Walk
• Route 32 — Headbutt, Walk
• Route 34 — Headbutt, Walk
• Route 35 — Headbutt, Walk
• Route 36 — Headbutt, Walk
• Route 37 — Headbutt, Walk
• Route 38 — Headbutt, Walk
• Route 39 — Headbutt, Walk
• Route 43 — Headbutt, Walk

Pineco — full Pokédex entry