Pichu locations — where to catch

In Lumiose City (Legends: Z-A)

• Wild Zone 1 — Walk

In Paldea (Scarlet & Violet)

• South Province (Area Four) — Walk
• South Province (Area One) — Walk
• South Province (Area Two) — Walk

In Kitakami (Scarlet & Violet – The Teal Mask)

• Apple Hills — Walk
• Fellhorn Gorge — Walk
• Kitakami Hall — Walk
• Kitakami Road — Walk
• Oni Mountain — Walk
• Reveler's Road — Walk
• Wistful Fields — Walk

In Hisui (Legends: Arceus)

• Aspiration Hill — Walk
• Floaro Gardens — Walk
• Golden Lowlands — Walk
• Nature's Pantry — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Trophy Garden — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Route 34 — Gift

Other games (5)

• Brilliant Diamond / Shining Pearl (Gen 8): Trophy Garden
• Sword / Shield — The Isle of Armor (Gen 8): Challenge Beach, Fields of Honor, Forest of Focus
• Sword / Shield (Gen 8): Giant's Cap, Hammerlocke Hills, Motostoke Riverbank
• Ultra Sun / Ultra Moon (Gen 7): Alola Route 1
• Sun / Moon (Gen 7): Alola Route 1, Hauoli City

Pichu — full Pokédex entry