Diamond
Route 225, Route 227, Route 228.
Pearl
Route 225, Route 227, Route 228.
Platinum
Route 227, Route 228.
HeartGold
Blackthorn City, Cerulean Cave, Ecruteak City, Ilex Forest, Mt. Silver, Mt. Moon, Route 6, Route 22, Route 28, Route 30, Route 31, Route 35, Route 43, Route 44, Route 45, Route 47, Ruins of Alph, Unknown; all Poliwag, Violet City, Viridian City.
SoulSilver
Blackthorn City, Cerulean Cave, Ecruteak City, Ilex Forest, Mt. Silver, Mt. Moon, Route 6, Route 22, Route 28, Route 30, Route 31, Route 35, Route 43, Route 44, Route 45, Route 47, Ruins of Alph, Unknown; all Poliwag, Violet City, Viridian City.
Locations