Where to catch Tynamo

In Paldea (Scarlet & Violet)

• North Paldean Sea — Walk
• West Paldean Sea — Walk

In Kitakami (Scarlet & Violet – The Teal Mask)

• Chilling Waterhead — Walk
• Oni Mountain — Walk

In Blueberry Academy (Scarlet & Violet – The Indigo Disk)

• Canyon Biome — Walk
• Chargestone Cavern — Walk
• Polar Biome — Walk
• Savanna Biome — Walk

Tynamo — full Pokédex entry