Where to find Tentacruel in Brilliant Diamond & Shining Pearl

Surf: Sinnoh Pokemon League (65%), Sinnoh Sea Route 223 (60%), Sunyshore City (60%) + 15 more
Walk: Grand Underground

• Canalave City — Surf
• Fuego Ironworks — Surf
• Grand Underground — Walk
• Iron Island — Surf
• Pastoria City — Surf
• Pokémon League — Surf
• Route 205 — Surf
• Route 213 — Surf
• Route 218 — Surf
• Route 219 — Surf
• Route 221 — Surf
• Route 222 — Surf
• Route 224 — Surf
• Sea Route 220 — Surf
• Sea Route 223 — Surf
• Sea Route 226 — Surf
• Sea Route 230 — Surf
• Sunyshore City — Surf
• Valley Windworks — Surf

Tentacruel in every game · Pokémon Brilliant Diamond & Shining Pearl interactive map (Sinnoh)