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Cerulean Cave (Japanese: ハナダのどうくつ, HepburnHanada no Dōkutsu), also officially named the "Unknown Dungeon" (Japanese: ななしのどうくつ, HepburnNanashi no Dōkutsu) is a location introduced in Generation I.

Description[]

Cerulean Cave is in the northwest of Cerulean City in the Kanto region. A level 70 Mewtwo is encountered on the first floor.

By default, there is a non-playable character blocking the entrance to Cerulean Cave, since entering it requires one to be victorious in the Pokémon League. In Pokémon FireRed Version and Pokémon LeafGreen Version, this goes even farther in that one has to also complete the Sevii Islands quest.

In Pokémon Gold Version and Pokémon Silver Version, the entrance to Cerulean Cave is flooded by water. A Hiker in Cerulean City tells the player's character that a nearby cave, referring to Cerulean Cave, has caved in recently. The Berserk Gene is one of the more notable items that can be obtained.

Pokémon[]

Red and Blue[]

PokémonGamesLevelRate
150Mewtwo RGMewtwoRB70100%

Yellow[]

PokémonGamesLevelRate
150Mewtwo RGMewtwoY70100%

FireRed and LeafGreen[]

PokémonGamesLevelRate
150Mewtwo Pokémon HOMEMewtwoFRLG70100%

HeartGold and SoulSilver[]

PokémonGamesLevelRate
150Mewtwo Pokémon HOMEMewtwoHGSS70100%

Items[]

Generation I[]

Pokémon Red, Green and Blue[]

  • Full Restore: on the riverbank near the southwest corner of the first floor; center of the second floor
  • Max Elixir: on the riverbank on the first floor
  • Max Revive: north edge of the basement
  • Nugget: near the northwest corner of the first floor
  • PP Up: east edge of the second floor
  • Ultra Ball: southwest corner of the second floor; center of the basement

Pokémon Yellow[]

  • Full Restore: east edge of the second floor
  • Max Elixir: west of the entrance on the first floor; north edge of the basement
  • Max Revive: east edge of the first floor; southeast of the second floor's center; center of an elevated area in the basement
  • Rare Candy: southeast corner of the first floor; west edge of the second floor
  • Ultra Ball: center of the first floor; center of the second floor; center of an elevated area in the basement; northeast corner of the basement

Generation III[]

  • Full Restore: on the riverbank near the southwest corner of the first floor; against the eastern edge of the second floor
  • Max Elixir: near the center of the first floor
  • Max Revive: in the northeast corner of the basement
  • Nugget: in the northwest corner of the first floor
  • PP Up: near the southwest corner of the second floor
  • Ultra Ball: near the southeast corner of the second floor; near the center of the basement

Trivia[]

  • In Generation I, any Pokémon that can only be found in the Cerulean Cave is listed as "area unknown" in the Pokédex. This was fixed in Generation III, however. Whether this was intended or just a glitch is unknown (most likely a glitch).
  • Though its design varies with each iteration, the version of it found in Pokémon FireRed and LeafGreen and Pokémon HeartGold and SoulSilver is very similar to the one in the original Pokémon Red and Green, which was never released outside of Japan. The only difference is the Generation III addition of Rock Smash boulders.
  • In Generation II, Cerulean Cave was inaccessible. A NPC nearby states how the cave collapsed in between Generation I and Generation II.

In other languages[]

Language Name
English Cerulean Cave
Spanish Cueva Celeste
Italian Grotta Celeste
French Caverne Azurée
German Azuria-Höhle
Japanese ハナダの洞窟
Korean 블루시티동굴
173Cleffa
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