Toxicroak locations — where to catch

In Paldea (Scarlet & Violet)

• Casseroya Lake — Walk
• Socarrat Trail — Walk
• West Province (Area Three) — Walk
• West Province (Area Two) — Walk

In Hisui (Legends: Arceus)

• Ancient Quarry — Walk
• Holm of Trials — Walk
• Space-time distortions — Walk
• Spring Path — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Great Marsh — Walk

Other games (4)

• Brilliant Diamond / Shining Pearl (Gen 8): Great Marsh
• Sword / Shield (Gen 8): Dusty Bowl, North Lake Miloch, Rolling Fields, South Lake Miloch, Stony Wilderness
• X / Y (Gen 6): Friend Safari
• Black 2 / White 2 (Gen 5): Pinwheel Forest

Toxicroak — full Pokédex entry