Cerulean Cave

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Cerulean Cave
Unknown Dungeon
ハナダのどうくつ
Hanada Cave
"Wild Missingno. appeared!"
HGSS Cerulean Cave-Day.png
Map description: A mysterious cave that is filled with terribly tough Pokémon. It is so dangerous, the Pokémon League is in charge of it.FRLG

A cave that had collapsed once. It has been reconstructed.HGSS
Location: Cerulean City
Region: Kanto
Generations: I, III, IV
Kanto Cerulean Cave Map.png
Location of Cerulean Cave in Kanto.
Pokémon world locations

Cerulean Cave (Japanese: ハナダのどうくつ Hanada Cave) is a cave located in the northwest corner of Cerulean City in Kanto. The cave is home to a wide variety of high-level wild Pokémon. The Pokémon League only permits Trainers who have entered the Hall of Fame to enter. At the end of the cave lies Mewtwo, the only one of its species in the game.

In Generation I, the cave was inconsistently referred to as the Unknown Dungeon (Japanese: ななしのどうくつ Nameless Cave) in addition to its name. This moniker would later be reused for the Unknown Dungeon in Kalos, which is a direct reference to Cerulean Cave.

In Pokémon FireRed and LeafGreen, players must further prove themselves before entering the cave, which is done by completing the quest on Sevii Islands and restoring the Network Machine to operational status. More Pokémon can be found only by fishing, while wild Pokémon found just by walking around in the cave are reduced in number. Pokémon FireRed and LeafGreen also fixed the awkward Pokémon distribution from the Generation I games, which included several misplaced species such as Dodrio and Pokémon that are otherwise only obtainable by stone-induced evolution.

In Generation II, Cerulean Cave completely collapsed but the leftovers of Mewtwo's presence remain and are found in the lake near the cave, in the form of the item Berserk Gene. In Pokémon HeartGold and SoulSilver, Cerulean Cave has been rebuilt and Mewtwo can once again be found inside. Like in previous generations, an NPC stands in the way until the player has obtained all eight Kanto Gym Badges (as opposed to defeating the Pokémon League at Indigo Plateau, the requirement in the Generation I games and Pokémon FireRed and LeafGreen).

Geography

Encountering Mewtwo in the cave in FireRed and LeafGreen

Cerulean Cave is a large underground complex of maze-like tunnels which extend out from Cerulean City to the mountains beyond. With the dark entrance positioned on the outskirts of Cerulean City, only to be accessed by surfing down Route 24 to the entrance near the northern border of Cerulean City, the cave has been renowned for its mystery. The entrance to the cave looks like it has been carved out from a hillside, forming an indented entrance into the hill. An NPC guards the entrance to the cave and only allows Trainers who own all eight Kanto Gym Badges and have entered the Hall of Fame to enter.

At the deepest point of the cave lives Mewtwo, a Pokémon that can only be found in Cerulean Cave alone. Mewtwo was created by man in the Pokémon Mansion before it became too powerful and escaped, exiling itself to the cave, never to be seen again.

Cerulean Cave has had many different layouts over time, getting a change from not only one generation to the next but also from one game release to the next. Despite these changes, the first floor is mostly unaffected and has a large underground lake which covers most of the area. Using the complex of stairs and ladders, Trainers can make their way around the lake and the first floor of the cave. They will reach the upper floor, which has no underground river, but a like maze-like structure formed by large boulders and rocks that must be maneuvered around in order to reach the end. Once Trainers get through the maze formation, they are able to climb the ladders and get around the underground lake on the basement floor, which will lead them straight to a dead end and to Mewtwo.

Speleology

It is unknown how the cave was formed, but pictures of the cave suggest it is a solutional cave. A solutional cave is formed in the soluble rock, limestone, which is dissolved by natural acid in groundwater that seeps through the rock, forming the cave systems. Because of this, stalactites and stalagmites have formed in the cave while water rises from the floor and drips from the ceiling.

Items

Item Location Games
Full Restore Full Restore ×2
  • On the riverbank near the southwest corner of the first floor
  • Center of the second floor
 R  B 
Rare Candy Rare Candy On a rock on the central plateau (hidden)  R  B 
Max Elixir Max Elixir On the riverbank on the first floor  R  B 
Max Revive Max Revive North edge of the basement  R  B 
Nugget Nugget Near the northwest corner of the first floor  R  B 
PP Up PP Up East edge of the second floor  R  B 
Ultra Ball Ultra Ball ×3
  • Southwest corner of the second floor
  • Center of the basement
  • On the rock that stands out right before the water to Mewtwo (hidden)
 R  B 
Max Elixir Max Elixir ×2
  • West of the entrance on the first floor
  • North edge of the basement
 Y 
Full Restore Full Restore East edge of the second floor  Y 
Max Revive Max Revive ×3
  • East edge of the first floor
  • Southeast of the second floor's center
  • Center of an elevated area in the basement
 Y 
Rare Candy Rare Candy ×2
  • Southeast corner of the first floor
  • West edge of the second floor
 Y 
Ultra Ball Ultra Ball ×4
  • Center of the first floor
  • Center of the second floor
  • Center of an elevated area in the basement
  • Northeast corner of the basement
 Y 
PP Up PP Up ×3
  • On a single rock just east of center on the first floor (hidden)
  • On a single rock a bit south of center of the second floor (hidden)
  • On the rock that stands out close to the waterway to the plateau with two visible items (hidden)
 Y 
Full Restore Full Restore ×2
  • On the riverbank near the southwest corner of the first floor
  • Against the eastern edge of the second floor
 FR  LG 
Max Elixir Max Elixir Near the center of the first floor  FR  LG 
Max Revive Max Revive In the northeast corner of the basement  FR  LG 
Nugget Nugget In the northwest corner of the first floor  FR  LG 
PP Up PP Up Near the southwest corner of the second floor  FR  LG 
Ultra Ball Ultra Ball ×3
  • Near the southeast corner of the second floor
  • Near the Nugget on 1F (hidden)
  • At the center of the basement on the central rock ledge
 FR  LG 
TM Electric TM24 (Thunderbolt) North-east corner of 2F  HG  SS 
Nugget Nugget ×2
  • Near the northwest corner of 1F
  • Behind a lone smashable rock north-east of the rocks in the center of B1F (hidden)
 HG  SS 
PP Up PP Up ×2
  • West side of 2F
  • In the large open area on the east side of 2F, in the isolated crystal in the bottom left (hidden)
 HG  SS 
Hyper Potion Hyper Potion 1F, on the wall behind the smashable rocks in the south-west corner (hidden)  HG  SS 
Full Restore Full Restore Along south wall of 1F  HG  SS 
Zinc Zinc In the large open area on the east side of 2F (hidden)  HG  SS 
Full Heal Full Heal In the large open area on the east side of 2F (hidden)  HG  SS 
Big Pearl Big Pearl In the large open area on the east side of 2F (hidden)  HG  SS 
Revive Revive On a small crystal in the middle of 1F (hidden)  HG  SS 
Max Elixir Max Elixir Near the center of the first floor at the end of a bridge  HG  SS 
Sea Incense Sea Incense North edge of 1F  HG  SS 
Rare Candy Rare Candy In the far south-east corner of 1F (hidden)  HG  SS 
Ultra Ball Ultra Ball ×4
  • West side of 2F
  • In the large open area on the east side of 2F (hidden)
  • West of the smashable rocks in the center of B1F (hidden)
  • Near south-west corner of B1F
 HG  SS 
Odd Incense Odd Incense Near the center of the second floor  HG  SS 
Protein Protein Near north-west corner of 2F (hidden)  HG  SS 
Max Revive Max Revive ×2  HG  SS 
Dusk Stone Dusk Stone Center of basement (requires Rock Climb)  HG  SS 
Electirizer Electirizer North-east corner of B1F (requires Rock Climb)  HG  SS 
Black Sludge Black Sludge South-east corner of basement  HG  SS 

Rock Smash

Item Location Games
Red Shard Red Shard Randomly found by smashing rocks  HG  SS 
Blue Shard Blue Shard Randomly found by smashing rocks  HG  SS 
Yellow Shard Yellow Shard Randomly found by smashing rocks  HG  SS 
Green Shard Green Shard Randomly found by smashing rocks  HG  SS 
Heart Scale Heart Scale Randomly found by smashing rocks  HG  SS 
Revive Revive Randomly found by smashing rocks  HG  SS 
Max Ether Max Ether Randomly found by smashing rocks  HG  SS 
Star Piece Star Piece Randomly found by smashing rocks  HG  SS 

Pokémon

Generation I

Cerulean Cave is not listed as a Pokédex area in the Generation I games. Therefore, any Pokémon that can only be found in Cerulean Cave is listed as "Area Unknown" by the Kanto Pokédex in these games.

1F

Pokémon Games Location Levels Rate
Golbat Golbat
R B Y
Cave Cave
46 20%
Golbat Golbat
R B Y
Cave Cave
50-55 40%
Hypno Hypno
R B Y
Cave Cave
46 20%
Magneton Magneton
R B Y
Cave Cave
46 15%
Graveler Graveler
R B Y
Cave Cave
45 15%
Arbok Arbok
R B Y
Cave Cave
52 10%
Sandslash Sandslash
R B Y
Cave Cave
52 10%
Venomoth Venomoth
R B Y
Cave Cave
49 10%
Venomoth Venomoth
R B Y
Cave Cave
54 5%
Dodrio Dodrio
R B Y
Cave Cave
49 10%
Gloom Gloom
R B Y
Cave Cave
55 10%
Weepinbell Weepinbell
R B Y
Cave Cave
55 10%
Parasect Parasect
R B Y
Cave Cave
52 5%
Parasect Parasect
R B Y
Cave Cave
54 5%
Kadabra Kadabra
R B Y
Cave Cave
49 5%
Raichu Raichu
R B Y
Cave Cave
53 4%
Ditto Ditto
R B Y
Cave Cave
53 1%
Ditto Ditto
R B Y
Cave Cave
55-60 5%
Fishing
Magikarp Magikarp
R B Y
Old Rod Fishing
Old Rod
5 100%
Poliwag Poliwag
R B Y
Good Rod Fishing
Good Rod
10 50%
Goldeen Goldeen
R B Y
Good Rod Fishing
Good Rod
10 50%
Goldeen Goldeen
R B Y
Super Rod Fishing
Super Rod
25 40%
Slowbro Slowbro
R B Y
Super Rod Fishing
Super Rod
23 25%
Kingler Kingler
R B Y
Super Rod Fishing
Super Rod
23 25%
Seadra Seadra
R B Y
Super Rod Fishing
Super Rod
23 25%
Seaking Seaking
R B Y
Super Rod Fishing
Super Rod
23 25%
Seaking Seaking
R B Y
Super Rod Fishing
Super Rod
35-55 60%
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.


2F

Pokémon Games Location Levels Rate
Golbat Golbat
R B Y
Cave Cave
52-57 40%
Dodrio Dodrio
R B Y
Cave Cave
51 20%
Venomoth Venomoth
R B Y
Cave Cave
51 20%
Kadabra Kadabra
R B Y
Cave Cave
51 15%
Graveler Graveler
R B Y
Cave Cave
50 15%
Electrode Electrode
R B Y
Cave Cave
52 10%
Marowak Marowak
R B Y
Cave Cave
52 10%
Rhydon Rhydon
R B Y
Cave Cave
52 10%
Rhydon Rhydon
R B Y
Cave Cave
58-60 5%
Sandslash Sandslash
R B Y
Cave Cave
56 10%
Rhyhorn Rhyhorn
R B Y
Cave Cave
50 10%
Wigglytuff Wigglytuff
R B Y
Cave Cave
54 5%
Chansey Chansey
R B Y
Cave Cave
56 5%
Ditto Ditto
R B Y
Cave Cave
55-60 5%
Ditto Ditto
R B Y
Cave Cave
60 10%
Gloom Gloom
R B Y
Cave Cave
58 5%
Weepinbell Weepinbell
R B Y
Cave Cave
58 5%
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
Golbat Golbat
R B Y
Cave Cave
54-59 40%
Rhydon Rhydon
R B Y
Cave Cave
55 20%
Rhydon Rhydon
R B Y
Cave Cave
62 10%
Marowak Marowak
R B Y
Cave Cave
55 20%
Electrode Electrode
R B Y
Cave Cave
55 15%
Graveler Graveler
R B Y
Cave Cave
55 15%
Raichu Raichu
R B Y
Cave Cave
64 10%
Parasect Parasect
R B Y
Cave Cave
64 10%
Chansey Chansey
R B Y
Cave Cave
64 10%
Chansey Chansey
R B Y
Cave Cave
56 5%
Ditto Ditto
R B Y
Cave Cave
63-67 10%
Ditto Ditto
R B Y
Cave Cave
60-65 15%
Rhyhorn Rhyhorn
R B Y
Cave Cave
52 10%
Arbok Arbok
R B Y
Cave Cave
57 5%
Sandslash Sandslash
R B Y
Cave Cave
57 5%
Lickitung Lickitung
R B Y
Cave Cave
50-55 5%
Fishing
Magikarp Magikarp
R B Y
Old Rod Fishing
Old Rod
5 100%
Poliwag Poliwag
R B Y
Good Rod Fishing
Good Rod
10 50%
Goldeen Goldeen
R B Y
Good Rod Fishing
Good Rod
10 50%
Goldeen Goldeen
R B Y
Super Rod Fishing
Super Rod
25 40%
Slowbro Slowbro
R B Y
Super Rod Fishing
Super Rod
23 25%
Kingler Kingler
R B Y
Super Rod Fishing
Super Rod
23 25%
Seadra Seadra
R B Y
Super Rod Fishing
Super Rod
23 25%
Seaking Seaking
R B Y
Super Rod Fishing
Super Rod
23 25%
Seaking Seaking
R B Y
Super Rod Fishing
Super Rod
35-55 60%
Special Pokémon
Mewtwo Mewtwo
R B Y
Premier Ball Only one
70 One
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 III

1F

Pokémon Games Location Levels Rate
Parasect Parasect
FR LG
Cave Cave
49-58 25%
Magneton Magneton
FR LG
Cave Cave
49 20%
Golbat Golbat
FR LG
Cave Cave
46-55 14%
Primeape Primeape
FR LG
Cave Cave
52-61 11%
Ditto Ditto
FR LG
Cave Cave
52-61 11%
Machoke Machoke
FR LG
Cave Cave
46 10%
Electrode Electrode
FR LG
Cave Cave
58 5%
Wobbuffet Wobbuffet
FR LG
Cave Cave
55 4%
Surfing
Psyduck Psyduck
FR LG
Surfing Surfing
30-50 65%
Slowpoke Slowpoke
FR LG
Surfing Surfing
30-50 65%
Golduck Golduck
FR LG
Surfing Surfing
40-55 35%
Slowbro Slowbro
FR LG
Surfing Surfing
40-55 35%
Fishing
Magikarp Magikarp
FR LG
Old Rod Fishing
Old Rod
5 100%
Poliwag Poliwag
FR LG
Good Rod Fishing
Good Rod
5-15 60%
Goldeen Goldeen
FR LG
Good Rod Fishing
Good Rod
5-15 20%
Magikarp Magikarp
FR LG
Good Rod Fishing
Good Rod
5-15 20%
Poliwag Poliwag
FR LG
Super Rod Fishing
Super Rod
15-25 40%
Poliwhirl Poliwhirl
FR LG
Super Rod Fishing
Super Rod
20-30 40%
Gyarados Gyarados
FR LG
Super Rod Fishing
Super Rod
15-25 15%
Psyduck Psyduck
FR LG
Super Rod Fishing
Super Rod
15-35 5%
Slowpoke Slowpoke
FR LG
Super Rod Fishing
Super Rod
15-35 5%
Rock Smash
Geodude Geodude
FR LG
Rock Smash Rock Smash
30-50 65%
Graveler Graveler
FR LG
Rock Smash Rock Smash
40-55 35%
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.


2F

Pokémon Games Location Levels Rate
Golbat Golbat
FR LG
Cave Cave
49-58 25%
Machoke Machoke
FR LG
Cave Cave
49 20%
Parasect Parasect
FR LG
Cave Cave
52-61 14%
Kadabra Kadabra
FR LG
Cave Cave
55-64 11%
Ditto Ditto
FR LG
Cave Cave
55-64 11%
Magneton Magneton
FR LG
Cave Cave
52 10%
Wobbuffet Wobbuffet
FR LG
Cave Cave
58 5%
Electrode Electrode
FR LG
Cave Cave
61 4%
Rock Smash
Geodude Geodude
FR LG
Rock Smash Rock Smash
30-50 65%
Graveler Graveler
FR LG
Rock Smash Rock Smash
40-55 35%
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
Kadabra Kadabra
FR LG
Cave Cave
58-67 25%
Ditto Ditto
FR LG
Cave Cave
58-67 25%
Parasect Parasect
FR LG
Cave Cave
55-64 14%
Golbat Golbat
FR LG
Cave Cave
52-61 11%
Machoke Machoke
FR LG
Cave Cave
52 10%
Magneton Magneton
FR LG
Cave Cave
55 10%
Electrode Electrode
FR LG
Cave Cave
64 4%
Wobbuffet Wobbuffet
FR LG
Cave Cave
61 1%
Surfing
Psyduck Psyduck
FR LG
Surfing Surfing
30-50 65%
Slowpoke Slowpoke
FR LG
Surfing Surfing
30-50 65%
Golduck Golduck
FR LG
Surfing Surfing
40-55 35%
Slowbro Slowbro
FR LG
Surfing Surfing
40-55 35%
Fishing
Magikarp Magikarp
FR LG
Old Rod Fishing
Old Rod
5 100%
Poliwag Poliwag
FR LG
Good Rod Fishing
Good Rod
5-15 60%
Goldeen Goldeen
FR LG
Good Rod Fishing
Good Rod
5-15 20%
Magikarp Magikarp
FR LG
Good Rod Fishing
Good Rod
5-15 20%
Poliwag Poliwag
FR LG
Super Rod Fishing
Super Rod
15-25 40%
Poliwhirl Poliwhirl
FR LG
Super Rod Fishing
Super Rod
20-30 40%
Gyarados Gyarados
FR LG
Super Rod Fishing
Super Rod
15-25 15%
Psyduck Psyduck
FR LG
Super Rod Fishing
Super Rod
15-35 5%
Slowpoke Slowpoke
FR LG
Super Rod Fishing
Super Rod
15-35 5%
Rock Smash
Geodude Geodude
FR LG
Rock Smash Rock Smash
30-50 65%
Graveler Graveler
FR LG
Rock Smash Rock Smash
40-55 35%
Special Pokémon
Mewtwo Mewtwo
FR LG
Premier Ball Only one
70 One
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

1F

Pokémon Games Location Levels Rate
Morning Day Night
Electrode Electrode
HG SS
Cave Cave
40 5%
Wobbuffet Wobbuffet
HG SS
Cave Cave
37 5%
Machoke Machoke
HG SS
Cave Cave
39-40 24% 24% 6%
Parasect Parasect
HG SS
Cave Cave
38 20% 20% 10%
Primeape Primeape
HG SS
Cave Cave
38-39 14% 14% 0%
Primeape Primeape
HG SS
Cave Cave
39 0% 0% 4%
Persian Persian
HG SS
Cave Cave
38-39 14% 14% 0%
Persian Persian
HG SS
Cave Cave
39 0% 0% 4%
Magneton Magneton
HG SS
Cave Cave
40 11% 11% 10%
Ditto Ditto
HG SS
Cave Cave
39-40 11% 11% 10%
Golbat Golbat
HG SS
Cave Cave
38 10% 10% 0%
Golbat Golbat
HG SS
Cave Cave
38-39 0% 0% 50%
Surfing
Psyduck Psyduck
HG SS
Surfing Surfing
35-40 90%
Golduck Golduck
HG SS
Surfing Surfing
40 10%
Fishing
Magikarp Magikarp
HG SS
Old Rod Fishing
Old Rod
10 100%
Poliwag Poliwag
HG SS
Good Rod Fishing
Good Rod
20 62%
Goldeen Goldeen
HG SS
Good Rod Fishing
Good Rod
20 33%
Magikarp Magikarp
HG SS
Good Rod Fishing
Good Rod
20 5%
Poliwag Poliwag
HG SS
Super Rod Fishing
Super Rod
40 60%
Poliwhirl Poliwhirl
HG SS
Super Rod Fishing
Super Rod
40 30%
Gyarados Gyarados
HG SS
Super Rod Fishing
Super Rod
40 10%
Rock Smash
Geodude Geodude
HG SS
Rock Smash Rock Smash
23 90%
Graveler Graveler
HG SS
Rock Smash Rock Smash
26-30 10%
Special Pokémon
Makuhita Makuhita
HG SS
Hoenn Sound Hoenn Sound
39-40 20%
Absol Absol
HG SS
Hoenn Sound Hoenn Sound
38 20%
Chingling Chingling
HG SS
Sinnoh Sound Sinnoh Sound
39-40 20%
Bronzor Bronzor
HG SS
Sinnoh Sound Sinnoh Sound
38 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.


2F

Pokémon Games Location Levels Rate
Morning Day Night
Parasect Parasect
HG SS
Cave Cave
40 20%
Kadabra Kadabra
HG SS
Cave Cave
42 20%
Magneton Magneton
HG SS
Cave Cave
41 10%
Ditto Ditto
HG SS
Cave Cave
42 10%
Electrode Electrode
HG SS
Cave Cave
41 5%
Wobbuffet Wobbuffet
HG SS
Cave Cave
42 5%
Machoke Machoke
HG SS
Cave Cave
39-42 20% 20% 0%
Machoke Machoke
HG SS
Cave Cave
39 0% 0% 10%
Golbat Golbat
HG SS
Cave Cave
41 10% 10% 0%
Golbat Golbat
HG SS
Cave Cave
41-42 0% 0% 20%
Special Pokémon
Makuhita Makuhita
HG SS
Hoenn Sound Hoenn Sound
41-42 20%
Absol Absol
HG SS
Hoenn Sound Hoenn Sound
39-41 20%
Chingling Chingling
HG SS
Sinnoh Sound Sinnoh Sound
41-42 20%
Bronzor Bronzor
HG SS
Sinnoh Sound Sinnoh Sound
39-41 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
Parasect Parasect
HG SS
Cave Cave
45-47 25%
Kadabra Kadabra
HG SS
Cave Cave
46 20%
Magneton Magneton
HG SS
Cave Cave
45-47 15%
Golbat Golbat
HG SS
Cave Cave
47 10%
Machoke Machoke
HG SS
Cave Cave
45 10%
Ditto Ditto
HG SS
Cave Cave
45 10%
Electrode Electrode
HG SS
Cave Cave
46 5%
Wobbuffet Wobbuffet
HG SS
Cave Cave
49 5%
Surfing
Psyduck Psyduck
HG SS
Surfing Surfing
35-40 90%
Golduck Golduck
HG SS
Surfing Surfing
40 10%
Fishing
Magikarp Magikarp
HG SS
Old Rod Fishing
Old Rod
10 100%
Poliwag Poliwag
HG SS
Good Rod Fishing
Good Rod
20 62%
Goldeen Goldeen
HG SS
Good Rod Fishing
Good Rod
20 33%
Magikarp Magikarp
HG SS
Good Rod Fishing
Good Rod
20 5%
Poliwag Poliwag
HG SS
Super Rod Fishing
Super Rod
40 60%
Poliwhirl Poliwhirl
HG SS
Super Rod Fishing
Super Rod
40 30%
Gyarados Gyarados
HG SS
Super Rod Fishing
Super Rod
40 10%
Rock Smash
Geodude Geodude
HG SS
Rock Smash Rock Smash
22 90%
Graveler Graveler
HG SS
Rock Smash Rock Smash
26 10%
Special Pokémon
Mewtwo Mewtwo
HG SS
Premier Ball Only one
70 One
Makuhita Makuhita
HG SS
Hoenn Sound Hoenn Sound
45 20%
Absol Absol
HG SS
Hoenn Sound Hoenn Sound
45-47 20%
Chingling Chingling
HG SS
Sinnoh Sound Sinnoh Sound
45 20%
Bronzor Bronzor
HG SS
Sinnoh Sound Sinnoh Sound
45-47 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.


Layout

The layout of the cave has been tweaked several times in the past, particularly in Generation I.

In Pokémon FireRed and LeafGreen, it has been restored to the original layout found in Pokémon Red and Green, with the addition of Rock Smash boulders.

In Pokémon HeartGold and SoulSilver, the layout of the first and second floors is based on the equivalent layout from Pokémon FireRed and LeafGreen, while the layout of the basement is based on the respective layout from Pokémon Yellow. Rock Smash boulders are also present and Rock Climb surfaces were added.

Version 1F 2F B1F
Red (Ja) Unknown Dungeon 1F RG.png Unknown Dungeon 2F RG.png Unknown Dungeon B1F RG.png
Green
Red Unknown Dungeon 1F RB.png Unknown Dungeon 2F RB.png Unknown Dungeon B1F RB.png
Blue
Yellow Unknown Dungeon 1F Y.png Unknown Dungeon 2F Y.png Unknown Dungeon B1F Y.png
FireRed Cerulean Cave 1F FRLG.png Cerulean Cave 2F FRLG.png Cerulean Cave B1F FRLG.png
LeafGreen
HeartGold Cerulean Cave 1F HGSS.png Cerulean Cave 2F HGSS.png Cerulean Cave B1F HGSS.png
SoulSilver
 

Eyecatch

In the anime

In Pokémon Origins

The Cerulean Cave's entrance
The Cerulean Cave's interior

Cerulean Cave appeared in the Pokémon Origins episode File 4 - Charizard. It was first mentioned by Blue, who had went there after hearing rumors of an extremely strong Pokémon living in there. He intended to catch it but got badly injured while battling it when his Blastoise was sent flying and crashed on top of him. After he had told Professor Oak and Red about this, Red soon recalled the journals he had found at the Pokémon Mansion at Cinnabar Island and understood that the mysterious Pokémon was in fact Mewtwo, an artificial Pokémon created by enhanching the powers of Mew. Wanting to help Professor Oak to fill up the Pokédex, Red then headed to the Cerulean Cave, where he encountered Mewtwo. Being amazingly strong and durable, Mewtwo was capable of defeating all of Red's Pokémon, except for Charizard. At first, even Charizard was losing, and was sent into the waters of the cave, along with Red. However, Red's Mega Stones then activated, Mega Evolving Charizard into Mega Charizard X and making it able to defeat Mewtwo, allowing Red to catch it.

In other languages

Language Title
Mandarin Chinese 華藍洞窟 Huálán Cave
Denmark Flag.png Danish Det Ukendte Tårn*
French Canada Flag.png Canada Grotte InconnueRBY
Grotte Azurée
France Flag.png Europe Grotte InconnueRBY
Grotte Azurée
Germany Flag.png German GeheimdungeonRBY
Azuria-Höhle
Italy Flag.png Italian Grotta IgnotaRBY
Grotta Celeste
South Korea Flag.png Korean 블루시티동굴 Blue City Cave
Spain Flag.png Spanish Mazmorra RaraRBY
Cueva Celeste


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Kanto
Boulder Badge.png Cascade Badge.png Thunder Badge.png Rainbow Badge.png Soul Badge.png Marsh Badge.png Volcano Badge.png Earth Badge.png
Settlements
Pallet TownViridian CityPewter CityCerulean CityVermilion CityLavender Town
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Routes
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Landmarks
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Access to
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Game locations of Legendary and Mythical Pokémon
Kanto Seafoam IslandsPower PlantVictory RoadCerulean Cave
Route 10Route 25Pewter CityRoaming Pokémon
Sevii Islands Mt. EmberNavel RockBirth Island
Johto Ilex ForestBell TowerWhirl IslandsMt. Silver Cave
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