Union Cave, Johto (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.

Generation 4
1F
B1F
B2F

Generation 2
1F
B1F
B2F

Generation 4 - 1F

Walking

Walking in grass or a cave

Pokémon	Games		Levels
Rattata	HG	SS	4-6
Sandshrew	HG	SS	6
Zubat	HG	SS	5-7
Geodude	HG	SS	6
Onix	HG	SS	6
Rattata	HG	SS	4

Hoenn Sound
Makuhita	HG	SS	5
Absol	HG	SS	6

Sinnoh Sound
Chingling	HG	SS	5
Bronzor	HG	SS	6

Surfing

Surfing on water

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

Super Rod

Fishing using the Super Rod

Pokémon	Games		Levels
Goldeen	HG	SS	40
Seaking	HG	SS	40
Magikarp	HG	SS	40

Good Rod

Fishing using the Good Rod

Pokémon	Games		Times	Rarity	Levels	Details
Goldeen	HG	SS			20
Magikarp	HG	SS			20

Old Rod

Fishing using the Old Rod

Pokémon	Games		Times	Rarity	Levels	Details
Magikarp	HG	SS			10
Goldeen	HG	SS			10

Generation 4 - B1F

Walking

Walking in grass or a cave

Pokémon	Games		Levels
Rattata	HG	SS	6-8
Sandshrew	HG	SS	8
Zubat	HG	SS	7-9
Geodude	HG	SS	8
Rattata	HG	SS	6
Onix	HG	SS	8

Hoenn Sound
Makuhita	HG	SS	7
Absol	HG	SS	8

Sinnoh Sound
Chingling	HG	SS	7
Bronzor	HG	SS	8

Surfing

Surfing on water

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

Super Rod

Fishing using the Super Rod

Pokémon	Games		Levels
Goldeen	HG	SS	40
Seaking	HG	SS	40
Magikarp	HG	SS	40

Good Rod

Fishing using the Good Rod

Pokémon	Games		Times	Rarity	Levels	Details
Goldeen	HG	SS			20
Magikarp	HG	SS			20

Old Rod

Fishing using the Old Rod

Pokémon	Games		Times	Rarity	Levels	Details
Magikarp	HG	SS			10
Goldeen	HG	SS			10

Generation 4 - B2F

Walking

Walking in grass or a cave

Pokémon	Games		Levels
Raticate	HG	SS	22
Zubat	HG	SS	22
Rattata	HG	SS	20
Onix	HG	SS	23
Golbat	HG	SS	22
Geodude	HG	SS	21

Hoenn Sound
Makuhita	HG	SS	22
Absol	HG	SS	22

Sinnoh Sound
Chingling	HG	SS	22
Bronzor	HG	SS	22

Surfing

Surfing on water

Pokémon	Games		Levels
Tentacool	HG	SS	10-20
Quagsire	HG	SS	15-25
Tentacruel	HG	SS	15-25

Interact

Static Pokémon that attacks when interacted with

Pokémon	Games		Times	Rarity	Levels	Details
Lapras	HG	SS			20

Generation 2 - 1F

Walking

Walking in grass or a cave

Pokémon	Games			Levels
Rattata	G	S	C	4-6
Sandshrew	G	S	C	6
Geodude	G	S	C	6
Zubat	G	S	C	5-7
Wooper	G	S	C	5
Rattata	G	S	C	4
Zubat	G	S	C	7
Onix	G	S	C	6
Sandshrew	G	S	C	6
Zubat	G	S	C	5-7
Geodude	G	S	C	6
Onix	G	S	C	6
Rattata	G	S	C	4

Surfing

Surfing on water

Pokémon	Games			Levels
Wooper	G	S	C	15-19
Quagsire	G	S	C	15-24
Wooper	G	S	C	15-19
Quagsire	G	S	C	15-24

Super Rod

Fishing using the Super Rod

Pokémon	Games			Levels
Goldeen	G	S	C	40
Magikarp	G	S	C	40
Seaking	G	S	C	40
Goldeen	G	S	C	40
Seaking	G	S	C	40
Magikarp	G	S	C	40

Good Rod

Fishing using the Good Rod

Pokémon	Games			Levels
Goldeen	G	S	C	20
Magikarp	G	S	C	20
Goldeen	G	S	C	20
Magikarp	G	S	C	20

Old Rod

Fishing using the Old Rod

Pokémon	Games			Levels
Magikarp	G	S	C	10
Goldeen	G	S	C	10
Magikarp	G	S	C	10
Goldeen	G	S	C	10

Generation 2 - B1F

Walking

Walking in grass or a cave

Pokémon	Games			Levels
Zubat	G	S	C	6-8
Zubat	G	S	C	6
Geodude	G	S	C	8
Wooper	G	S	C	8
Rattata	G	S	C	6-8
Onix	G	S	C	8
Sandshrew	G	S	C	8
Zubat	G	S	C	7-9
Geodude	G	S	C	8
Rattata	G	S	C	6
Onix	G	S	C	8

Surfing

Surfing on water

Pokémon	Games			Levels
Wooper	G	S	C	15-19
Quagsire	G	S	C	15-24
Wooper	G	S	C	15-19
Quagsire	G	S	C	15-24

Super Rod

Fishing using the Super Rod

Pokémon	Games			Levels
Goldeen	G	S	C	40
Magikarp	G	S	C	40
Seaking	G	S	C	40
Goldeen	G	S	C	40
Seaking	G	S	C	40
Magikarp	G	S	C	40

Good Rod

Fishing using the Good Rod

Pokémon	Games			Levels
Goldeen	G	S	C	20
Magikarp	G	S	C	20
Goldeen	G	S	C	20
Magikarp	G	S	C	20

Old Rod

Fishing using the Old Rod

Pokémon	Games			Levels
Magikarp	G	S	C	10
Goldeen	G	S	C	10
Magikarp	G	S	C	10
Goldeen	G	S	C	10

Generation 2 - B2F

Walking

Walking in grass or a cave

Pokémon	Games			Levels
Zubat	G	S	C	22
Zubat	G	S	C	22
Golbat	G	S	C	22
Quagsire	G	S	C	22
Raticate	G	S	C	21
Geodude	G	S	C	20
Onix	G	S	C	23
Raticate	G	S	C	22
Zubat	G	S	C	22
Rattata	G	S	C	20
Onix	G	S	C	23
Golbat	G	S	C	22
Geodude	G	S	C	21

Surfing

Surfing on water

Pokémon	Games			Levels
Tentacool	G	S	C	15-19
Quagsire	G	S	C	20-24
Tentacruel	G	S	C	20-24
Tentacool	G	S	C	15-19
Quagsire	G	S	C	20-24
Tentacruel	G	S	C	20-24

Super Rod

Fishing using the Super Rod

Pokémon	Games			Levels
Krabby	G	S	C	40
Staryu	G	S	C	40
Corsola	G	S	C	40
Kingler	G	S	C	40
Shellder	G	S	C	40
Chinchou	G	S	C	40
Tentacruel	G	S	C	40
Lanturn	G	S	C	40

Good Rod

Fishing using the Good Rod

Pokémon	Games			Levels
Krabby	G	S	C	20
Magikarp	G	S	C	20
Staryu	G	S	C	20
Corsola	G	S	C	20
Tentacool	G	S	C	20
Magikarp	G	S	C	20
Shellder	G	S	C	20
Chinchou	G	S	C	20

Old Rod

Fishing using the Old Rod

Pokémon	Games			Levels
Magikarp	G	S	C	10
Krabby	G	S	C	10
Magikarp	G	S	C	10
Tentacool	G	S	C	10

Interact

Static Pokémon that attacks when interacted with

Pokémon	Games			Times	Rarity	Levels	Details
Lapras	G	S	C			20