Cerulean Cave
- Unknown Dungeon redirects here. For the Pokémon Mystery Dungeon feature, see Unknown Dungeon (Mystery Dungeon).
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| Location: | Cerulean City | |||
|---|---|---|---|---|
| Region: | Kanto | |||
| Generations: | I, III, IV | |||
 Location of Cerulean Cave in Kanto. | ||||
| Pokémon world locations | ||||
Cerulean Cave (Japanese: ハナダのどうくつ Hanada Cave), sometimes referred to as the Unknown Dungeon (Japanese: ななしのどうくつ Nameless Cave) in Generation I, 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. Only Trainers who compete and win in the Pokémon League at Indigo Plateau may enter, due to the potency of the Pokémon in the cave. At the end of the cave lies Mewtwo, the only one of its species in the game.
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. In FireRed and LeafGreen, the layout is true to that of the original Red and Green games, aside from the addition of Rock Smash boulders.
Another addition in FireRed and LeafGreen lies in the fact that Trainers are now required to 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. Another change is in the fact that more Pokémon can be found only by fishing, while wild Pokémon found just by walking around in the cave are reduced in number. In Generation I, there are also several species that make no sense to be in the cave, such as Dodrio and Pokémon that are otherwise only obtainable by stone-induced evolution; however, this has been fixed in Generation III, at the cost of some of the wild Pokémon diversity.
In Generation II, Cerulean Cave completely collapsed. However, the leftovers of Mewtwo's presence can still be 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, although, as in previous generations, a person stands in the way until the player has proven him or herself by defeating all eight Kanto Gym Leaders.
Geography
Cerulean Cave is a large underground complex of maze-like tunnels which extend out from Cerulean City to the mountains beyond. With the misty, 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 mouth into the hill. A thick layer of mist surrounds the area and silhouettes of dark trees can be seen in the background. An Ace Trainer guards the mouth of the cave and only allows powerful Trainers who own all eight Gym Badges and have competed in and won the Pokémon League beating the Elite Four to enter its premises.
It is unknown whether Cerulean Cave was formed naturally through the process of weathering, built by man through the use of excavation, or perhaps by the Pokémon Mewtwo, which is the cave's most powerful resident; however, it is most likely formed by natural means. Pictures of the cave suggest it is a solutional cave, which was 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.
Because of its damp and dark environment, Cerulean Cave hosts a large array of different Pokémon well and truly beyond average levels. These Pokémon have possibly gained this amount of experience from living in an area uninhabited by humans, adapting to their environment. Pokémon such as Golbat and Venomoth are able to see their way through the darkness, while other powerful Pokémon like Hypno and Rhydon live in their habitat. All the Pokémon inhabiting Cerulean Cave have levels well over 40 and 50, with some even rising as high as 60, which is why the cave was sealed off and is forbidden to be entered unless Trainers own all eight Gym Badges and have competed in and won the Pokémon League, beating the Elite Four. 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, destroying the Mansion and exiling itself to the cave, never to be seen again. If Mewtwo had created Cerulean Cave as a residence during this event, the cave would have been recently formed – according to the Pokémon Mansion journals, Mewtwo had escaped the Pokémon Mansion only recently.
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. In FireRed and LeafGreen, the layout is true to that of the original Red and Green games, aside from the addition of Rock Smash boulders. However, besides these changes, the first floor 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.
Items
| Item | Location | Games | |
|---|---|---|---|
|
Full Restore ×2 |
|
R B |
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Rare Candy | On a rock on the central plateau (hidden) | R B |
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Max Elixir | On the riverbank on the first floor | R B |
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Max Revive | North edge of the basement | R B |
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Nugget | Near the northwest corner of the first floor | R B |
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PP Up | East edge of the second floor | R B |
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Ultra Ball ×3 |
|
R B |
|
|
Max Elixir ×2 |
|
Y |
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Full Restore | East edge of the second floor | Y |
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Max Revive ×3 |
|
Y |
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Rare Candy ×2 |
|
Y |
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Ultra Ball ×4 |
|
Y |
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PP Up ×3 |
|
Y |
|
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Full Restore ×2 |
|
FR LG |
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Max Elixir | Near the center of the first floor | FR LG |
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Max Revive | In the northeast corner of the basement | FR LG |
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Nugget | In the northwest corner of the first floor | FR LG |
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PP Up | Near the southwest corner of the second floor | FR LG |
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Ultra Ball ×3 |
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FR LG |
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TM24 (Thunderbolt) | North-east corner of 2F | HG SS |
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Nugget ×2 |
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HG SS |
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PP Up ×2 |
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HG SS |
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Hyper Potion | 1F, on the wall behind the smashable rocks in the south-west corner (hidden) | HG SS |
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Full Restore | Along south wall of 1F | HG SS |
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Zinc | In the large open area on the east side of 2F (hidden) | HG SS |
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Full Heal | In the large open area on the east side of 2F (hidden) | HG SS |
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Big Pearl | In the large open area on the east side of 2F (hidden) | HG SS |
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Revive | On a small crystal in the middle of 1F (hidden) | HG SS |
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Max Elixir | Near the center of the first floor at the end of a bridge | HG SS |
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Sea Incense | North edge of 1F | HG SS |
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Rare Candy | In the far south-east corner of 1F (hidden) | HG SS |
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|
Ultra Ball ×4 |
|
HG SS |
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Odd Incense | Near the center of the second floor | HG SS |
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Protein | Near north-west corner of 2F (hidden) | HG SS |
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|
Max Revive ×2 |
|
HG SS |
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Dusk Stone | Center of basement (requires Rock Climb) | HG SS |
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Electirizer | North-east corner of B1F (requires Rock Climb) | HG SS |
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Black Sludge | South-east corner of basement | HG SS |
Rock Smash
| Item | Location | Games | |
|---|---|---|---|
|
Red Shard | Randomly found by smashing rocks | HG SS |
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Blue Shard | Randomly found by smashing rocks | HG SS |
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Yellow Shard | Randomly found by smashing rocks | HG SS |
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Green Shard | Randomly found by smashing rocks | HG SS |
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Heart Scale | Randomly found by smashing rocks | HG SS |
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Revive | Randomly found by smashing rocks | HG SS |
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Max Ether | Randomly found by smashing rocks | HG SS |
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Star Piece | Randomly found by smashing rocks | HG SS |
Pokémon
Generation I
1F
| Pokémon | Games | Location | Levels | Rate | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
R | B | Y |
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46 | 25% | |||||||||
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R | B | Y |
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50-55 | 40% | |||||||||
|
R | B | Y |
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46 | 15% | |||||||||
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R | B | Y |
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46 | 15% | |||||||||
|
R | B | Y |
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45 | 15% | |||||||||
|
R | B | Y |
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52 | 10% | |||||||||
|
R | B | Y |
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52 | 10% | |||||||||
|
R | B | Y |
|
49 | 10% | |||||||||
|
R | B | Y |
|
54 | 5% | |||||||||
|
R | B | Y |
|
49 | 10% | |||||||||
|
R | B | Y |
|
55 | 10% | |||||||||
|
R | B | Y |
|
55 | 10% | |||||||||
|
R | B | Y |
|
52 | 5% | |||||||||
|
R | B | Y |
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54 | 5% | |||||||||
|
R | B | Y |
|
49 | 5% | |||||||||
|
R | B | Y |
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53 | 4% | |||||||||
|
R | B | Y |
|
53 | 1% | |||||||||
|
R | B | Y |
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55-60 | 5% | |||||||||
| Fishing | |||||||||||||||
|
R | B | Y |
|
5 | 100% | |||||||||
|
R | B | Y |
|
10 | 50% | |||||||||
|
R | B | Y |
|
10 | 50% | |||||||||
|
R | B | Y |
|
25 | 40% | |||||||||
|
R | B | Y |
|
23 | 25% | |||||||||
|
R | B | Y |
|
23 | 25% | |||||||||
|
R | B | Y |
|
23 | 25% | |||||||||
|
R | B | Y |
|
23 | 25% | |||||||||
|
R | B | Y |
|
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
R | B | Y |
|
52-57 | 40% | |||||||||
|
R | B | Y |
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51 | 25% | |||||||||
|
R | B | Y |
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51 | 15% | |||||||||
|
R | B | Y |
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51 | 15% | |||||||||
|
R | B | Y |
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50 | 15% | |||||||||
|
R | B | Y |
|
52 | 10% | |||||||||
|
R | B | Y |
|
52 | 10% | |||||||||
|
R | B | Y |
|
52 | 10% | |||||||||
|
R | B | Y |
|
58-60 | 5% | |||||||||
|
R | B | Y |
|
56 | 10% | |||||||||
|
R | B | Y |
|
50 | 10% | |||||||||
|
R | B | Y |
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54 | 5% | |||||||||
|
R | B | Y |
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56 | 5% | |||||||||
|
R | B | Y |
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55-60 | 5% | |||||||||
|
R | B | Y |
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60 | 10% | |||||||||
|
R | B | Y |
|
58 | 5% | |||||||||
|
R | B | Y |
|
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
R | B | Y |
|
54-59 | 40% | |||||||||
|
R | B | Y |
|
55 | 25% | |||||||||
|
R | B | Y |
|
62 | 10% | |||||||||
|
R | B | Y |
|
55 | 15% | |||||||||
|
R | B | Y |
|
55 | 15% | |||||||||
|
R | B | Y |
|
55 | 15% | |||||||||
|
R | B | Y |
|
64 | 10% | |||||||||
|
R | B | Y |
|
64 | 10% | |||||||||
|
R | B | Y |
|
64 | 10% | |||||||||
|
R | B | Y |
|
56 | 5% | |||||||||
|
R | B | Y |
|
63-67 | 10% | |||||||||
|
R | B | Y |
|
60-65 | 15% | |||||||||
|
R | B | Y |
|
52 | 10% | |||||||||
|
R | B | Y |
|
57 | 5% | |||||||||
|
R | B | Y |
|
57 | 5% | |||||||||
|
R | B | Y |
|
50-55 | 5% | |||||||||
| Fishing | |||||||||||||||
|
R | B | Y |
|
5 | 100% | |||||||||
|
R | B | Y |
|
10 | 50% | |||||||||
|
R | B | Y |
|
10 | 50% | |||||||||
|
R | B | Y |
|
25 | 40% | |||||||||
|
R | B | Y |
|
23 | 25% | |||||||||
|
R | B | Y |
|
23 | 25% | |||||||||
|
R | B | Y |
|
23 | 25% | |||||||||
|
R | B | Y |
|
23 | 25% | |||||||||
|
R | B | Y |
|
35-55 | 60% | |||||||||
| Special Pokémon | |||||||||||||||
|
R | B | Y |
|
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
FR | LG |
|
49-58 | 25% | ||||||||||
|
FR | LG |
|
49 | 20% | ||||||||||
|
FR | LG |
|
46-55 | 14% | ||||||||||
|
FR | LG |
|
52-61 | 11% | ||||||||||
|
FR | LG |
|
52-61 | 11% | ||||||||||
|
FR | LG |
|
46 | 10% | ||||||||||
|
FR | LG |
|
58 | 5% | ||||||||||
|
FR | LG |
|
55 | 4% | ||||||||||
| Surfing | |||||||||||||||
|
FR | LG |
|
30-50 | 65% | ||||||||||
|
FR | LG |
|
30-50 | 65% | ||||||||||
|
FR | LG |
|
40-55 | 35% | ||||||||||
|
FR | LG |
|
40-55 | 35% | ||||||||||
| Fishing | |||||||||||||||
|
FR | LG |
|
5 | 100% | ||||||||||
|
FR | LG |
|
5-15 | 60% | ||||||||||
|
FR | LG |
|
5-15 | 20% | ||||||||||
|
FR | LG |
|
5-15 | 20% | ||||||||||
|
FR | LG |
|
15-25 | 40% | ||||||||||
|
FR | LG |
|
20-30 | 40% | ||||||||||
|
FR | LG |
|
15-25 | 15% | ||||||||||
|
FR | LG |
|
15-35 | 5% | ||||||||||
|
FR | LG |
|
15-35 | 5% | ||||||||||
| Rock Smash | |||||||||||||||
|
FR | LG |
|
30-50 | 65% | ||||||||||
|
FR | LG |
|
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
FR | LG |
|
49-58 | 25% | ||||||||||
|
FR | LG |
|
49 | 20% | ||||||||||
|
FR | LG |
|
52-61 | 14% | ||||||||||
|
FR | LG |
|
55-64 | 11% | ||||||||||
|
FR | LG |
|
55-64 | 11% | ||||||||||
|
FR | LG |
|
52 | 10% | ||||||||||
|
FR | LG |
|
58 | 5% | ||||||||||
|
FR | LG |
|
61 | 4% | ||||||||||
| Rock Smash | |||||||||||||||
|
FR | LG |
|
30-50 | 65% | ||||||||||
|
FR | LG |
|
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
FR | LG |
|
58-67 | 25% | ||||||||||
|
FR | LG |
|
58-67 | 25% | ||||||||||
|
FR | LG |
|
55-64 | 14% | ||||||||||
|
FR | LG |
|
52-61 | 11% | ||||||||||
|
FR | LG |
|
52 | 10% | ||||||||||
|
FR | LG |
|
55 | 10% | ||||||||||
|
FR | LG |
|
64 | 4% | ||||||||||
|
FR | LG |
|
61 | 1% | ||||||||||
| Surfing | |||||||||||||||
|
FR | LG |
|
30-50 | 65% | ||||||||||
|
FR | LG |
|
30-50 | 65% | ||||||||||
|
FR | LG |
|
40-55 | 35% | ||||||||||
|
FR | LG |
|
40-55 | 35% | ||||||||||
| Fishing | |||||||||||||||
|
FR | LG |
|
5 | 100% | ||||||||||
|
FR | LG |
|
5-15 | 60% | ||||||||||
|
FR | LG |
|
5-15 | 20% | ||||||||||
|
FR | LG |
|
5-15 | 20% | ||||||||||
|
FR | LG |
|
15-25 | 40% | ||||||||||
|
FR | LG |
|
20-30 | 40% | ||||||||||
|
FR | LG |
|
15-25 | 15% | ||||||||||
|
FR | LG |
|
15-35 | 5% | ||||||||||
|
FR | LG |
|
15-35 | 5% | ||||||||||
| Rock Smash | |||||||||||||||
|
FR | LG |
|
30-50 | 65% | ||||||||||
|
FR | LG |
|
40-55 | 35% | ||||||||||
| Special Pokémon | |||||||||||||||
|
FR | LG |
|
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
|
This section is incomplete. Please feel free to edit this section to add missing information and complete it. Reason: Level ranges and percentages for Pokémon |
1F
| Pokémon | Games | Location | Levels | Rate | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
| |||||||||||||
|
HG | SS |
|
40 | 5% | ||||||||||
|
HG | SS |
|
37 | 5% | ||||||||||
|
HG | SS |
|
39-40 | 24% | 24% | 6% | ||||||||
|
HG | SS |
|
38 | 20% | 20% | 10% | ||||||||
|
HG | SS |
|
38-39 | 14% | 14% | 0% | ||||||||
|
HG | SS |
|
39 | 0% | 0% | 4% | ||||||||
|
HG | SS |
|
38-39 | 14% | 14% | 0% | ||||||||
|
HG | SS |
|
39 | 0% | 0% | 4% | ||||||||
|
HG | SS |
|
40 | 11% | 11% | 10% | ||||||||
|
HG | SS |
|
39-40 | 11% | 11% | 10% | ||||||||
|
HG | SS |
|
38 | 10% | 10% | 0% | ||||||||
|
HG | SS |
|
38-39 | 0% | 0% | 50% | ||||||||
| Surfing | |||||||||||||||
|
HG | SS |
|
35-40 | 90% | ||||||||||
|
HG | SS |
|
40 | 10% | ||||||||||
| Fishing | |||||||||||||||
|
HG | SS |
|
10 | 100% | ||||||||||
|
HG | SS |
|
20 | 62% | ||||||||||
|
HG | SS |
|
20 | 33% | ||||||||||
|
HG | SS |
|
20 | 5% | ||||||||||
|
HG | SS |
|
40 | 60% | ||||||||||
|
HG | SS |
|
40 | 30% | ||||||||||
|
HG | SS |
|
40 | 10% | ||||||||||
| Rock Smash | |||||||||||||||
|
HG | SS |
|
23-23 | % | ||||||||||
|
HG | SS |
|
26-30 | % | ||||||||||
| Special Pokémon | |||||||||||||||
|
HG | SS |
|
39-40 | 20% | ||||||||||
|
HG | SS |
|
38 | 20% | ||||||||||
|
HG | SS |
|
39-40 | 20% | ||||||||||
|
HG | SS |
|
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
| |||||||||||||
|
HG | SS |
|
40 | 20% | ||||||||||
|
HG | SS |
|
42 | 20% | ||||||||||
|
HG | SS |
|
41 | 10% | ||||||||||
|
HG | SS |
|
42 | 10% | ||||||||||
|
HG | SS |
|
41 | 5% | ||||||||||
|
HG | SS |
|
42 | 5% | ||||||||||
|
HG | SS |
|
39-42 | 20% | 20% | 0% | ||||||||
|
HG | SS |
|
39 | 0% | 0% | 10% | ||||||||
|
HG | SS |
|
41 | 10% | 10% | 0% | ||||||||
|
HG | SS |
|
41-42 | 0% | 0% | 20% | ||||||||
| Rock Smash | |||||||||||||||
|
HG | SS |
|
? | % | ||||||||||
|
HG | SS |
|
? | % | ||||||||||
| Special Pokémon | |||||||||||||||
|
HG | SS |
|
41-42 | 20% | ||||||||||
|
HG | SS |
|
39-41 | 20% | ||||||||||
|
HG | SS |
|
41-42 | 20% | ||||||||||
|
HG | SS |
|
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
HG | SS |
|
45-47 | 25% | ||||||||||
|
HG | SS |
|
46 | 20% | ||||||||||
|
HG | SS |
|
45-47 | 15% | ||||||||||
|
HG | SS |
|
47 | 10% | ||||||||||
|
HG | SS |
|
45 | 10% | ||||||||||
|
HG | SS |
|
45 | 10% | ||||||||||
|
HG | SS |
|
46 | 5% | ||||||||||
|
HG | SS |
|
49 | 5% | ||||||||||
| Surfing | |||||||||||||||
|
HG | SS |
|
35-40 | 90% | ||||||||||
|
HG | SS |
|
40 | 10% | ||||||||||
| Fishing | |||||||||||||||
|
HG | SS |
|
10 | 100% | ||||||||||
|
HG | SS |
|
20 | 62% | ||||||||||
|
HG | SS |
|
20 | 33% | ||||||||||
|
HG | SS |
|
20 | 5% | ||||||||||
|
HG | SS |
|
40 | 60% | ||||||||||
|
HG | SS |
|
40 | 30% | ||||||||||
|
HG | SS |
|
40 | 10% | ||||||||||
| Rock Smash | |||||||||||||||
|
HG | SS |
|
? | % | ||||||||||
|
HG | SS |
|
? | % | ||||||||||
| Special Pokémon | |||||||||||||||
|
HG | SS |
|
70 | One | ||||||||||
|
HG | SS |
|
45 | 20% | ||||||||||
|
HG | SS |
|
45-47 | 20% | ||||||||||
|
HG | SS |
|
45 | 20% | ||||||||||
|
HG | SS |
|
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; however, the layout depicted in FireRed and LeafGreen has been restored to that original layout found in Red and Green. In HeartGold and SoulSilver, the layout of 1F and 2F is based on Red and Green, while the layout of the basement is based on Yellow.
| Version | 1st floor | 2nd floor | Basement |
|---|---|---|---|
| Red (Ja) | 
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| Green | |||
| Red | 
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| Blue | |||
| Yellow | 
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| FireRed | 
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| LeafGreen | |||
| HeartGold | 
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| SoulSilver | |||
Eyecatch
HGSS Morning (Ditto)
HGSS Day/Evening (Ditto)
HGSS Night (Magneton)
FRLG
Trivia
- In Generation I, the Unknown Dungeon is not listed as a Pokédex area. Therefore, any Pokémon that can only be found in the Unknown Dungeon is listed as "area unknown" in the Pokédex; however, this was fixed in Generation III. Whether this was intended, forgotten, or just a glitch is unknown.
In other languages
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References
- Psypoke Psydex - Pokémon catch rates
| Kanto | ||||||||
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This article is part of Project Locations, a Bulbapedia project that aims to write comprehensive articles on every location in the Pokémon world. |