Where to catch, #0049
Venomoth in Gold and Silver: 2 places, level 10
2 encounters by area
Places
Route 24 and Route 25
Other games
Also found in 13 other games
Red and Green (Japan)Red and BlueYellowCrystalXDFireRed and LeafGreenDiamond and PearlPlatinumHeartGold and SoulSilverBlack and WhiteX and YOmega Ruby and Alpha SapphireLet's Go, Pikachu and Eevee