Where to catch Graveler

In Kitakami (Scarlet & Violet – The Teal Mask)

• Chilling Waterhead — Walk
• Crystal Pool — Walk
• Fellhorn Gorge — Walk
• Infernal Pass — Walk
• Kitakami Wilds — Walk
• Oni Mountain — Walk
• Paradise Barrens — Walk
• Timeless Woods — Walk
• Wistful Fields — Walk

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

• Canyon Biome — Walk
• Chargestone Cavern — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Magma Hideout — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Dark Cave — Walk
• Mt. Mortar — Walk
• Mt. Silver Cave — Walk
• Route 45 — Walk

In Kanto (Red, Blue & Yellow)

• Cerulean Cave — Walk

Graveler — full Pokédex entry