Solrock locations — where to catch

In Sinnoh (Diamond, Pearl & Platinum)

• Lake Acuity — Walk
• Lake Valor — Walk
• Lake Verity — Walk
• Mt. Coronet — Walk
• Sendoff Spring — Walk
• Turnback Cave — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Johto Safari Zone — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Meteor Falls — Surf, Walk

Other games (6)

• Sword / Shield (Gen 8): Route 8, Galar Route 8, Giant's Cap, Stony Wilderness, Watchtower Ruins
• Omega Ruby / Alpha Sapphire (Gen 6): Meteor Falls
• X / Y (Gen 6): Glittering Cave
• Black 2 / White 2 (Gen 5): Giant Chasm, Unova Route 13, Unova Route 22
• Black / White (Gen 5): Giant Chasm, Unova Route 13
• XD (Gen 3): Citadark Isle

Solrock — full Pokédex entry