Johto Union Cave (location)

This is the Pokémon Location guide for Union Cave in Johto.

Choose which generation of games you're playing to see the Pokémon and capture methods. (Hint: Black/White 1 & 2 are Generation 5, other DS games are Gen 4.)


Generation 4 - 1F

Walking

Walking in grass or a cave

Pokémon Games Times Rarity Levels Details
Rattata HGSS 4-6
Sandshrew HGSS 6
Zubat HGSS 5-7
Geodude HGSS 6
Rattata HGSS 4
Onix HGSS 6
Hoenn Sound
Makuhita HGSS 5
Absol HGSS 6
Sinnoh Sound
Chingling HGSS 5
Bronzor HGSS 6

Surfing

Surfing on water

Pokémon Games Times Rarity Levels Details
Wooper HGSS 10-20
Quagsire HGSS 10-25

Super Rod

Fishing using the Super Rod

Pokémon Games Times Rarity Levels Details
Goldeen HGSS 40
Seaking HGSS 40
Magikarp HGSS 40

Good Rod

Fishing using the Good Rod

Pokémon Games Times Rarity Levels Details
Goldeen HGSS 20
Magikarp HGSS 20

Old Rod

Fishing using the Old Rod

Pokémon Games Times Rarity Levels Details
Magikarp HGSS 10
Goldeen HGSS 10

Generation 4 - B1F

Walking

Walking in grass or a cave

Pokémon Games Times Rarity Levels Details
Rattata HGSS 6-8
Sandshrew HGSS 8
Zubat HGSS 7-9
Geodude HGSS 8
Onix HGSS 8
Rattata HGSS 6
Hoenn Sound
Makuhita HGSS 7
Absol HGSS 8
Sinnoh Sound
Chingling HGSS 7
Bronzor HGSS 8

Surfing

Surfing on water

Pokémon Games Times Rarity Levels Details
Wooper HGSS 10-20
Quagsire HGSS 10-25

Super Rod

Fishing using the Super Rod

Pokémon Games Times Rarity Levels Details
Goldeen HGSS 40
Seaking HGSS 40
Magikarp HGSS 40

Good Rod

Fishing using the Good Rod

Pokémon Games Times Rarity Levels Details
Goldeen HGSS 20
Magikarp HGSS 20

Old Rod

Fishing using the Old Rod

Pokémon Games Times Rarity Levels Details
Magikarp HGSS 10
Goldeen HGSS 10

Generation 4 - B2F

Walking

Walking in grass or a cave

Pokémon Games Times Rarity Levels Details
Raticate HGSS 22
Zubat HGSS 22
Golbat HGSS 22
Geodude HGSS 21
Rattata HGSS 20
Onix HGSS 23
Hoenn Sound
Makuhita HGSS 22
Absol HGSS 22
Sinnoh Sound
Chingling HGSS 22
Bronzor HGSS 22

Surfing

Surfing on water

Pokémon Games Times Rarity Levels Details
Tentacool HGSS 10-20
Quagsire HGSS 15-25
Tentacruel HGSS 15-25

Interact

Static Pokemon that attacks when interacted with

Pokémon Games Times Rarity Levels Details
Lapras HGSS 20

Generation 2 - 1F

Walking

Walking in grass or a cave

Pokémon Games Times Rarity Levels Details
Sandshrew GSC 6
Zubat GSC 5-7
Geodude GSC 6
Rattata GSC 4
Onix GSC 6

Surfing

Surfing on water

Pokémon Games Times Rarity Levels Details
Wooper GSC 15-19
Quagsire GSC 15-24

Super Rod

Fishing using the Super Rod

Pokémon Games Times Rarity Levels Details
Goldeen GSC 40
Seaking GSC 40
Magikarp GSC 40

Good Rod

Fishing using the Good Rod

Pokémon Games Times Rarity Levels Details
Goldeen GSC 20
Magikarp GSC 20

Old Rod

Fishing using the Old Rod

Pokémon Games Times Rarity Levels Details
Magikarp GSC 10
Goldeen GSC 10

Generation 2 - B1F

Walking

Walking in grass or a cave

Pokémon Games Times Rarity Levels Details
Sandshrew GSC 8
Zubat GSC 7-9
Geodude GSC 8
Onix GSC 8
Rattata GSC 6

Surfing

Surfing on water

Pokémon Games Times Rarity Levels Details
Wooper GSC 15-19
Quagsire GSC 15-24

Super Rod

Fishing using the Super Rod

Pokémon Games Times Rarity Levels Details
Goldeen GSC 40
Seaking GSC 40
Magikarp GSC 40

Good Rod

Fishing using the Good Rod

Pokémon Games Times Rarity Levels Details
Goldeen GSC 20
Magikarp GSC 20

Old Rod

Fishing using the Old Rod

Pokémon Games Times Rarity Levels Details
Magikarp GSC 10
Goldeen GSC 10

Generation 2 - B2F

Walking

Walking in grass or a cave

Pokémon Games Times Rarity Levels Details
Raticate GSC 22
Zubat GSC 22
Golbat GSC 22
Geodude GSC 21
Rattata GSC 20
Onix GSC 23

Surfing

Surfing on water

Pokémon Games Times Rarity Levels Details
Tentacool GSC 15-19
Quagsire GSC 20-24
Tentacruel GSC 20-24

Super Rod

Fishing using the Super Rod

Pokémon Games Times Rarity Levels Details
Shellder GSC 40
Chinchou GSC 40
Tentacruel GSC 40
Lanturn GSC 40

Good Rod

Fishing using the Good Rod

Pokémon Games Times Rarity Levels Details
Tentacool GSC 20
Magikarp GSC 20
Shellder GSC 20
Chinchou GSC 20

Old Rod

Fishing using the Old Rod

Pokémon Games Times Rarity Levels Details
Magikarp GSC 10
Tentacool GSC 10

Interact

Static Pokemon that attacks when interacted with

Pokémon Games Times Rarity Levels Details
Lapras GSC 20