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Union Cave つながりのどうくつ
Linking Cave
"Wild Missingno. appeared!"
HGSS Union Cave-Day.png
Map description: Deep underground, it's connected to the ocean. The water flows here.
Location: Between Routes 32 and 33
Region: Johto
Generations: II, IV
Johto Union Cave Map.png
Location of Union Cave in Johto.
Pokémon world locations
The Route 32 side entrance to Union Cave in HeartGold and SoulSilver

Union Cave (Japanese: つながりのどうくつ Linking Cave) is a cave located in the Johto region. The main cave divides Route 32 from Route 33, though two other exits in the basement levels of the cave lead to the Ruins of Alph. A wild Lapras can also be encountered deep in the cave every Friday after Morty has been defeated (as Surf is required to get to it).

Contents

Geography

Union Cave is a simple cave, with many pools of water. The main floor has two different ladders, both in the southern areaGSC and on opposite ends of the caveHGSS. The upper ladder leads to B1F, which, after crossing the pond, will lead to the Ruins of Alph. The lower ladder leads to a small hallway, which also has a pond, and the ladder to B2F. The lowest level of the cave has several ponds, the southern-most containing, on Fridays, a Lapras.

Items

Item Location Games
Potion Potion 1F, northwest corner  G  S 
X Attack X Attack 1F, northwest corner  C  HG  SS 
Great Ball Great Ball 1F, southeast of Firebreather Bill  G  S  C  HG  SS 
X Attack X Attack 1F, west of Firebreather Bill  G  S 
Potion Potion 1F, west of Firebreather Bill  C  HG  SS 
Awakening Awakening 1F, west of the Route 33 exit  G  S  C  HG  SS 
Great Ball Great Ball 1F, in the wall between two rocks southeast of Hiker Russel (hidden)  HG  SS 
Big Pearl Big Pearl 1F, in a stalagmite on an islet, north-west of Poké Maniac Larry (requires Surf) (hidden)  HG  SS 
Paralyze Heal Parlyz Heal 1F, on a stalagmite northeast of Poké Maniac Larry (hidden)  HG  SS 
TM Normal TM39 (Swift) B1F, west of the ladder from 1F  G  S  C 
X Defense X Defend B1F, east of the ladder from 1F  G  S  C 
X Defense X Defend B1F, north of the stairs from 1F  HG  SS 
X Speed X Speed B1F, on a rock west of the stairs from 1F (hidden)  HG  SS 
TM Rock TM39 (Rock Tomb) B1F, west of the stairs from 1F  HG  SS 
Revive Revive B1F, northeast of Hiker Leonard (requires Surf) (hidden)  HG  SS 
Hyper Potion Hyper Potion B2F, northwest of Ace Trainer Nick  G  S  C  HG  SS 
Elixir Elixir B2F, northeast corner  G  S  C  HG  SS 
Ultra Ball Ultra Ball B2F, on stalagmite northwest of Ace Trainer Emma (hidden)  HG  SS 
Calcium Calcium B2F, northwest of Ace Trainer Gwen (hidden)  HG  SS 

Pokémon

Generation II

1F

  Pokémon     Games     Location     Levels     Rate  
Morning Day Night
Rattata Rattata
G S C
Cave Cave
4 10%
Rattata Rattata
G S C
Cave Cave
4-6 40%
Rattata Rattata
G S C
Cave Cave
4 10% 10% 0%
Rattata Rattata
G S C
Cave Cave
4-6 0% 0% 40%
Sandshrew Sandshrew
G S C
Cave Cave
6 30%
Sandshrew Sandshrew
G S C
Cave Cave
6 30% 30% 0%
Zubat Zubat
G S C
Cave Cave
5-7 25%
Zubat Zubat
G S C
Cave Cave
5-7 25% 25% 0%
Zubat Zubat
G S C
Cave Cave
7 0% 0% 5%
Geodude Geodude
G S C
Cave Cave
6 30%
Onix Onix
G S C
Cave Cave
6 5%
Wooper Wooper
G S C
Cave Cave
5 0% 0% 20%
Surfing
Wooper Wooper
G S C
Surfing Surfing
15-19 60%
Quagsire Quagsire
G S C
Surfing Surfing
15-24 40%
Fishing
Goldeen Goldeen
G S C
Old Rod Fishing
Old Rod
10 15%
Magikarp Magikarp
G S C
Old Rod Fishing
Old Rod
10 85%
Goldeen Goldeen
G S C
Good Rod Fishing
Good Rod
20 65%
Magikarp Magikarp
G S C
Good Rod Fishing
Good Rod
20 35%
Goldeen Goldeen
G S C
Super Rod Fishing
Super Rod
40 70%
Seaking Seaking
G S C
Super Rod Fishing
Super Rod
40 10%
Magikarp Magikarp
G S C
Super Rod Fishing
Super Rod
40 20%
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

B1F

  Pokémon     Games     Location     Levels     Rate  
Morning Day Night
Rattata Rattata
G S C
Cave Cave
6 5%
Rattata Rattata
G S C
Cave Cave
6-8 35%
Rattata Rattata
G S C
Cave Cave
6-8 10%
Sandshrew Sandshrew
G S C
Cave Cave
8 30%
Zubat Zubat
G S C
Cave Cave
7-9 25%
Zubat Zubat
G S C
Cave Cave
6-8 50% 50% 0%
Zubat Zubat
G S C
Cave Cave
6 0% 0% 30%
Geodude Geodude
G S C
Cave Cave
8 30%
Onix Onix
G S C
Cave Cave
8 10%
Wooper Wooper
G S C
Cave Cave
8 0% 0% 20%
Surfing
Wooper Wooper
G S C
Surfing Surfing
15-19 60%
Quagsire Quagsire
G S C
Surfing Surfing
15-24 40%
Fishing
Goldeen Goldeen
G S C
Old Rod Fishing
Old Rod
10 15%
Magikarp Magikarp
G S C
Old Rod Fishing
Old Rod
10 85%
Goldeen Goldeen
G S C
Good Rod Fishing
Good Rod
20 65%
Magikarp Magikarp
G S C
Good Rod Fishing
Good Rod
20 35%
Goldeen Goldeen
G S C
Super Rod Fishing
Super Rod
40 70%
Seaking Seaking
G S C
Super Rod Fishing
Super Rod
40 10%
Magikarp Magikarp
G S C
Super Rod Fishing
Super Rod
40 20%
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

B2F

  Pokémon     Games     Location     Levels     Rate  
Morning Day Night
Rattata Rattata
G S C
Cave Cave
20 5%
Raticate Raticate
G S C
Cave Cave
22 30%
Raticate Raticate
G S C
Cave Cave
21 10%
Zubat Zubat
G S C
Cave Cave
22 30%
Zubat Zubat
G S C
Cave Cave
22 50% 50% 30%
Golbat Golbat
G S C
Cave Cave
22 20%
Golbat Golbat
G S C
Cave Cave
22 30%
Geodude Geodude
G S C
Cave Cave
21 10%
Geodude Geodude
G S C
Cave Cave
20 5%
Onix Onix
G S C
Cave Cave
23 5%
Quagsire Quagsire
G S C
Cave Cave
22 0% 0% 20%
Surfing
Tentacool Tentacool
G S C
Surfing Surfing
15-19 60%
Tentacruel Tentacruel
G S C
Surfing Surfing
20-24 10%
Quagsire Quagsire
G S C
Surfing Surfing
20-24 30%
Fishing
Krabby Krabby
G S C
Old Rod Fishing
Old Rod
10 15%
Magikarp Magikarp
G S C
Old Rod Fishing
Old Rod
10 85%
Krabby Krabby
G S C
Good Rod Fishing
Good Rod
20 55%
Staryu Staryu
G S C
Good Rod Fishing
Good Rod
20 0% 0% 10%
Magikarp Magikarp
G S C
Good Rod Fishing
Good Rod
20 35%
Corsola Corsola
G S C
Good Rod Fishing
Good Rod
20 10% 10% 0%
Krabby Krabby
G S C
Super Rod Fishing
Super Rod
40 60%
Kingler Kingler
G S C
Super Rod Fishing
Super Rod
40 10%
Staryu Staryu
G S C
Super Rod Fishing
Super Rod
40 0% 0% 30%
Corsola Corsola
G S C
Super Rod Fishing
Super Rod
40 30% 30% 0%
Special Pokémon
Lapras Lapras
G S C
Premier Ball Only one
20 Once per weekFr
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

Generation IV

050Diglett.png This section is incomplete.
Please feel free to edit this section to add missing information and complete it.
Reason: needs Pokémon information for the two exits to Ruins of Alph, HGSS.

1F

  Pokémon     Games     Location     Levels     Rate  
Rattata Rattata
HG SS
Cave Cave
4 10%
Rattata Rattata
HG SS
Cave Cave
4-6 40%
Sandshrew Sandshrew
HG SS
Cave Cave
6 30%
Zubat Zubat
HG SS
Cave Cave
5-7 25%
Geodude Geodude
HG SS
Cave Cave
6 30%
Onix Onix
HG SS
Cave Cave
6 5%
Surfing
Wooper Wooper
HG SS
Surfing Surfing
10-20 60%
Quagsire Quagsire
HG SS
Surfing Surfing
10-25 40%
Fishing
Goldeen Goldeen
HG SS
Old Rod Fishing
Old Rod
10 15%
Magikarp Magikarp
HG SS
Old Rod Fishing
Old Rod
10 85%
Goldeen Goldeen
HG SS
Good Rod Fishing
Good Rod
20 60%
Magikarp Magikarp
HG SS
Good Rod Fishing
Good Rod
20 40%
Goldeen Goldeen
HG SS
Super Rod Fishing
Super Rod
40 70%
Seaking Seaking
HG SS
Super Rod Fishing
Super Rod
40 10%
Magikarp Magikarp
HG SS
Super Rod Fishing
Super Rod
40 20%
Special Pokémon
Makuhita Makuhita
HG SS
Hoenn Sound Hoenn Sound
5 20%
Absol Absol
HG SS
Hoenn Sound Hoenn Sound
6 20%
Chingling Chingling
HG SS
Sinnoh Sound Sinnoh Sound
5 20%
Bronzor Bronzor
HG SS
Sinnoh Sound Sinnoh Sound
6 20%
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

B1F

  Pokémon     Games     Location     Levels     Rate  
Rattata Rattata
HG SS
Cave Cave
6 5%
Rattata Rattata
HG SS
Cave Cave
6-8 35%
Sandshrew Sandshrew
HG SS
Cave Cave
8 30%
Zubat Zubat
HG SS
Cave Cave
7-9 25%
Geodude Geodude
HG SS
Cave Cave
8 30%
Onix Onix
HG SS
Cave Cave
8 10%
Surfing
Wooper Wooper
HG SS
Surfing Surfing
10-20 60%
Quagsire Quagsire
HG SS
Surfing Surfing
10-25 40%
Fishing
Goldeen Goldeen
HG SS
Old Rod Fishing
Old Rod
10 15%
Magikarp Magikarp
HG SS
Old Rod Fishing
Old Rod
10 85%
Goldeen Goldeen
HG SS
Good Rod Fishing
Good Rod
20 60%
Magikarp Magikarp
HG SS
Good Rod Fishing
Good Rod
20 40%
Goldeen Goldeen
HG SS
Super Rod Fishing
Super Rod
40 70%
Seaking Seaking
HG SS
Super Rod Fishing
Super Rod
40 10%
Magikarp Magikarp
HG SS
Super Rod Fishing
Super Rod
40 20%
Special Pokémon
Makuhita Makuhita
HG SS
Hoenn Sound Hoenn Sound
7 20%
Absol Absol
HG SS
Hoenn Sound Hoenn Sound
8 20%
Chingling Chingling
HG SS
Sinnoh Sound Sinnoh Sound
7 20%
Bronzor Bronzor
HG SS
Sinnoh Sound Sinnoh Sound
8 20%
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

B2F

  Pokémon     Games     Location     Levels     Rate  
Morning Day Night
Rattata Rattata
HG SS
Cave Cave
20 5%
Raticate Raticate
HG SS
Cave Cave
22 30%
Zubat Zubat
HG SS
Cave Cave
22 30%
Golbat Golbat
HG SS
Cave Cave
22 20%
Geodude Geodude
HG SS
Cave Cave
21 10%
Onix Onix
HG SS
Cave Cave
23 5%
Surfing
Tentacool Tentacool
HG SS
Surfing Surfing
10-20 60%
Tentacruel Tentacruel
HG SS
Surfing Surfing
15-25 10%
Quagsire Quagsire
HG SS
Surfing Surfing
15-25 30%
Fishing
Krabby Krabby
HG SS
Old Rod Fishing
Old Rod
10 15%
Magikarp Magikarp
HG SS
Old Rod Fishing
Old Rod
10 85%
Krabby Krabby
HG SS
Good Rod Fishing
Good Rod
20 50%
Staryu Staryu
HG SS
Good Rod Fishing
Good Rod
20 0% 0% 10%
Magikarp Magikarp
HG SS
Good Rod Fishing
Good Rod
20 40%
Corsola Corsola
HG SS
Good Rod Fishing
Good Rod
20 10% 10% 0%
Krabby Krabby
HG SS
Super Rod Fishing
Super Rod
40 60%
Kingler Kingler
HG SS
Super Rod Fishing
Super Rod
40 10%
Staryu Staryu
HG SS
Super Rod Fishing
Super Rod
40 0% 0% 30%
Corsola Corsola
HG SS
Super Rod Fishing
Super Rod
40 30% 30% 0%
Special Pokémon
Lapras Lapras
HG SS
Premier Ball Only one
20 Once per weekFr
Makuhita Makuhita
HG SS
Hoenn Sound Hoenn Sound
22 20%
Absol Absol
HG SS
Hoenn Sound Hoenn Sound
22 20%
Chingling Chingling
HG SS
Sinnoh Sound Sinnoh Sound
22 20%
Bronzor Bronzor
HG SS
Sinnoh Sound Sinnoh Sound
22 20%
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

Trainers

Generation II

Trainer Pokémon
1F
Hiker Daniel
Hiker Daniel
ユウゴ Yūgo
Reward: PokémonDollar.png352
095 Onix Lv.11
No item
Hiker Russell
Hiker Russell
ダイサク Daisaku
Reward: PokémonDollar.png256
074 Geodude Lv.4
No item
074 Geodude Lv.6
No item
074 Geodude Lv.8
No item
Firebreather Bill
Firebreather Bill
フクオ Fukuo
Reward: PokémonDollar.png288
109 Koffing Lv.6
No item
109 Koffing Lv.6
No item
PokéManiac Larry
PokéManiac Larry
タダヒコ Tadahiko
Reward: PokémonDollar.png600
079 Slowpoke Lv.10
No item
Firebreather Ray
Firebreather Ray
ノリヤス Noriyasu
Reward: PokémonDollar.png246
037 Vulpix Lv.9
No item
B1F (North)
Hiker Leonard
Hiker Leonard
マサフミ Masafumi
Reward: PokémonDollar.png800
074 Geodude Lv.23
No item
066 Machop Lv.25
No item
Hiker Phillip
Hiker Phillip
ケンゴ Kengo
Reward: PokémonDollar.png736
074 Geodude Lv.23
No item
074 Geodude Lv.23
No item
075 Graveler Lv.23
No item
B1F (South)
PokéManiac Andrew
PokéManiac Andrew
マサアキ Masaaki
Reward: PokémonDollar.png1440
105 Marowak Lv.24
No item
105 Marowak Lv.24
No item
PokéManiac Calvin
PokéManiac Calvin
ナオヤ Naoya
Reward: PokémonDollar.png1560
115 Kangaskhan Lv.26
No item
B2F
Cooltrainer Nick
Cooltrainer Nick
ケン Ken
Reward: PokémonDollar.png1248
004 Charmander Lv.26
No item
001 Bulbasaur Lv.26
No item
007 Squirtle Lv.26
No item
Cooltrainer Gwen
Cooltrainer Gwen
ヒヅキ Hizuki
Reward: PokémonDollar.png1248
133 Eevee Lv.26
No item
134 Vaporeon Lv.22
No item
135 Jolteon Lv.22
No item
136 Flareon Lv.22
No item
Cooltrainer Emma
Cooltrainer Emma
サリナ Sarina
Reward: PokémonDollar.png1344
061 Poliwhirl Lv.28
No item
Trainers with a telephone symbol by their names will give their Pokégear number to the player, and may call or be called for a rematch with higher-level Pokémon.

Generation IV

Trainer Pokémon
1F
Firebreather Ray
Firebreather Ray
ノリヤス Noriyasu
Reward: PokémonDollar.png288
037 Vulpix Lv.9
No item
Hiker Daniel
Hiker Daniel
ユウゴ Yūgo
Reward: PokémonDollar.png352
095 Onix Lv.11
No item
Hiker Russel
Hiker Russel
ダイサク Daisaku
Reward: PokémonDollar.png256
074 Geodude Lv.4
No item
074 Geodude Lv.6
No item
074 Geodude Lv.8
No item
Firebreather Bill
Firebreather Bill
フクオ Fukuo
Reward: PokémonDollar.png192
109 Koffing Lv.6
No item
109 Koffing Lv.6
No item
Poké Maniac Larry
Poké Maniac Larry
タダヒコ Tadahiko
Reward: PokémonDollar.png704
079 Slowpoke Lv.11
No item
B1F (North)
Hiker Leonard
Hiker Leonard
マサフミ Masafumi
Reward: PokémonDollar.png800
074 Geodude Lv.23
No item
066 Machop Lv.25
No item
Hiker Phillip
Hiker Phillip
ケンゴ Kengo
Reward: PokémonDollar.png800
074 Geodude Lv.23
No item
075 Graveler Lv.25
No item
B1F (South)
Poké Maniac Andrew
Poké Maniac Andrew
マサアキ Masaaki
Reward: PokémonDollar.png1536
105 Marowak Lv.24
No item
105 Marowak Lv.24
No item
Poké Maniac Calvin
Poké Maniac Calvin
ナオヤ Naoya
Reward: PokémonDollar.png1664
115 Kangaskhan Lv.26
No item
B2F
Ace Trainer Nick
Ace Trainer Nick
ケン Ken
Reward: PokémonDollar.png1560
004 Charmander Lv.26
No item
007 Squirtle Lv.26
No item
001 Bulbasaur Lv.26
No item
Ace Trainer Gwen
Ace Trainer Gwen
ヒヅキ Hizuki
Reward: PokémonDollar.png1320
133 Eevee Lv.26
No item
134 Vaporeon Lv.22
No item
136 Flareon Lv.22
No item
135 Jolteon Lv.22
No item
Ace Trainer Emma
Ace Trainer Emma
サリナ Sarina
Reward: PokémonDollar.png1680
061 Poliwhirl Lv.28
No item
Trainers with a telephone symbol by their names will give their Pokégear number to the player, and may call or be called for a rematch with higher-level Pokémon.

Layout

050Diglett.png This section is incomplete.
Please feel free to edit this section to add missing information and complete it.
Reason: needs layout images for the two exits to Ruins of Alph in HGSS.
Version 1F B1F B2F
Gold Union Cave 1F GS.png Union Cave B1F GS.png Union Cave B2F GS.png
Silver
Crystal Union Cave 1F C.png Union Cave B1F C.png Union Cave B2F C.png
HeartGold Union Cave 1F HGSS.png Union Cave B1F HGSS.png Union Cave B2F HGSS.png
SoulSilver
 

Preview

In the manga

Union Cave in Pokémon Adventures

In the Pokémon Adventures manga

Union Cave appeared in Off Course with Corsola, where Crystal was traveling through the cave to get to the western part of Johto. While going through the cave, she noticed a Magneton, which was not native to the area. She was then attacked by a group of Magneton, all of which belonged to Lt. Surge, who had ordered them to catch any wild Pokémon passing by. When the Gym Leader himself arrived, he saw that his Poké Ball trap hadn't caught anything, leading him to believe that the commotion was just a false alarm. He then proceeded to exit the cave through an underwater tunnel, not noticing that his Magneton had dropped the unconscious Crystal into his submarine.

In the Pokémon Gold & Silver: The Golden Boys manga

Union Cave appeared in Extreme Power!! The Friday Pokémon where Black tried to capture a Lapras but failed. Gold took in Black's Bayleef after Black left it behind.

In the Pokémon Pocket Monsters manga

Union Cave appeared in Escape from Magma!? of Pokémon Pocket Monsters. Red and his Pokémon went there by traveling on a Lapras. Inside, Giovanni and some Team Rocket Grunts took over the cave by building an amusement park. As Red and his Pokémon went in, it turned out to be a trap as Giovanni sealed the entrance. The group managed to escape when Clefairy's digger drill dug a hole. However, it took them deeper in the cave where Giovanni found them and summoned his Slugma from a lava pit. 

In other languages

Language Title
Chinese Cantonese 互連洞 Wuhlìhn Duhng
Mandarin 互連洞 / 互连洞 Hùlián Dòng
The Netherlands Flag.png Dutch Eenheidstunnel
French Canada Flag.png Canada Caves Jumelles
France Flag.png Europe Caves Jumelles
Germany Flag.png German Einheitstunnel
Italy Flag.png Italian Grotta di mezzo
South Korea Flag.png Korean 연결동굴 Yeongyeol Donggul
Brazil Flag.png Brazilian Portuguese Caverna da União
Túnel da União
Spain Flag.png Spanish Cueva Unión
Vietnam Flag.png Vietnamese Động Tsunagari


Johto
Zephyr Badge.png Hive Badge.png Plain Badge.png Fog Badge.png Storm Badge.png Mineral Badge.png Glacier Badge.png Rising Badge.png
Settlements
New Bark TownCherrygrove CityViolet CityAzalea TownGoldenrod CityEcruteak City
Olivine CityCianwood CityMahogany TownBlackthorn CitySafari Zone GateFrontier Access
Routes
2930313233343536373839404142434445464748
Landmarks
Dark CaveSprout TowerRuins of AlphUnion CaveSlowpoke WellIlex ForestRadio TowerGlobal Terminal
Goldenrod TunnelNational ParkPokéathlon DomeBell TowerBellchime TrailBurned TowerMoomoo FarmGlitter Lighthouse
Battle Tower (CrystalHGSS)/FrontierCliff Edge GateCliff CaveEmbedded TowerSafari ZoneWhirl Islands
Mt. MortarLake of RageTeam Rocket HQIce PathDragon's DenS.S. AquaMt. Silver
Access to
Sinjoh RuinsKanto

Project Locations logo.png This article is part of Project Locations, a Bulbapedia project that aims to write comprehensive articles on every location in the Pokémon world.