Rock Tunnel

If you were looking for the Mystery Dungeons whose Japanese names are Rock Tunnel, see Rock Path (Rescue Team) and Rock Path (Explorers of Time, Darkness, and Sky)

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Rock Tunnel イワヤマトンネル Rock Mountain Tunnel "Wild Missingno. appeared!"
Map description:	A naturally formed underground tunnel. Because it has not been developed, it is inky dark inside. A light is needed to get through.FRLG A dark tunnel that begins in Lavender Town and comes out in Cerulean City.HGSS A large natural tunnel. It's pitch black, so a light source is required.PE
Location:	Route 10
Region:	Kanto
Generations:	I, II, III, IV, VII
Location of Rock Tunnel in Kanto.
Pokémon world locations

The Rock Tunnel (Japanese: イワヤマトンネル Rock Mountain Tunnel) is a naturally formed underground tunnel. Since it has not been developed, it is pitch black inside. A light of some sort is needed for travelers to find their way, so it is recommended that Pokémon Trainers bring along a Pokémon that can use Flash outside of battle.

Rock Tunnel is the only alternative route to Lavender Town, as the two other routes have been rendered inaccessible by a slumbering Snorlax and the Saffron City gatekeepers. The cave has two separate floors, both of which are roughly the same size. There are many Trainers within the cave, there for the fun of exploring, training, or are simply lost in the darkness.

Route 10 leads from Cerulean City to Rock Tunnel. At the northern entrance of the cave is a convenient Pokémon Center. The roof of the Kanto Power Plant can also be seen from here (excluding Generation III). The southern entrance exits onto the remainder of Route 10, leading to Lavender Town.

In Pokémon FireRed and LeafGreen, there is a Move Tutor who will teach the move Rock Slide to a Pokémon.

Terminology

The name Rock Mountain (Japanese: イワヤマ Iwayama) has been sometimes used to refer to the mountain where the tunnel is located, as well as its surroundings. It appears as one of the areas in Pokémon Pinball and is used in Pocket Monsters Encyclopedia to refer jointly to Route 9 and the northern part of Route 10. In Pokémon Adventures, a three-chapter storyline spanning from Can't Catch Caterpie! to The Primeape Directive is stated to be set in a place called the Vast Plains of Rock Mountain (Japanese: イワヤマの荒野 Iwayama Wasteland) by the Adventure Map at the end of the volume.

In Nintendo Power #125 (page 111), this is known as Rock Cave.

Items

Item		Location	Games
	Repel	1F, in the northeast of the room at the north entrance	FR  LG  P  E
	Escape Rope	1F, in the southeast corner of the northeast section	FR  LG  P  E
	Pearl	1F, northwest of Picnicker Ariana	FR  LG
	Super Potion	1F, north of the rock formation in the southeast corner	P  E
	Poké Ball	1F, from a man in the southeast near the ladder to B1F, if the player has less than 10 Poké Balls (repeatable)	P  E
	Stardust	1F, at the north end of the second-easternmost room in the southeast	P  E
	Pearl	1F, in the southwest corner	P  E
	Revive	1F, on a rock on the west side of the southern entrance (hidden) (daily)	P  E
	TM47 (Steel Wing)	1F, center platform	G  S  C
	Elixer	1F, southwest	G  S  C
	X Defend	1F, east of TM47 (hidden)	G  S  C
	X Accuracy	1F, northeast (hidden)	G  S  C
	X Accuracy	1F, on a stalagmite east of the north-west ladder (hidden)	HG  SS
	Elixir	1F, north of south-west ladder	HG  SS
	X Defend	1F, on a stalagmite north-east of the southern entrance (hidden)	HG  SS
	TM56 (Fling)	1F, on second raised area north of southern entrance	HG  SS
	Revive	B1F, near the southwest corner of the floor, accessible from the northeasternmost ladder on 1F	FR  LG  P  E
	Max Ether	B1F, northeast of Hiker Dudley, accessible from the ladder northwest of the center of 1F	FR  LG
	Dire Hit	B1F, northeast of Black Belt Dudley, in the middle of the floor	P  E
	Great Ball ×3	B1F, in the northeast corner	P  E
	Full Heal	B1F, in the northeast corner of the northeast section	P  E
	Super Potion ×2	B1F, in the southwest corner of the northeast section B1F, northeast of Black Belt Dudley, on a small rock along the eastern wall (hidden) (daily)	P  E
	Max Potion	B1F, northwest of PP Up (hidden)	G  S  C
	PP Up	B1F, west	G  S  C
	Revive	B1F, north	G  S  C
	Iron	B1F, south	G  S  C
	Max Potion	B1F, near south-east corner (requires Rock Smash) (hidden)	HG  SS
	PP Up	B1F, southwest of ladder from northern entrance	HG  SS
	Revive	B1F, east of the northwest ladder	HG  SS
	Iron	B1F, far-right Rock Climb chamber (requires Rock Climb)	HG  SS
	HP Up	B1F, second-to-the-left Rock Climb chamber (requires Rock Climb) (hidden)	HG  SS
	Oval Stone	B1F, far-left Rock Climb chamber (requires Rock Climb)	HG  SS

Rock

Item		Location	Games
	Tiny Mushroom	1F, sometimes found by the player's walking Rock-type Pokémon from a crevice in a rock in the northwest section, southeast of Camper Lenny (Item determined randomly)	P  E
	Big Mushroom
	Fire Stone
	Tiny Mushroom	1F, sometimes found by the player's walking Rock-type Pokémon from a crevice in a rock near the southeast corner of the floor, near Camper Leroy (Item determined randomly)	P  E
	Big Mushroom
	Thunder Stone
	Tiny Mushroom	B1F, sometimes found by the player's walking Rock-type Pokémon from a crevice in a rock near the southwest corner of the floor, accessible from the northeasternmost ladder on 1F (Item determined randomly)	P  E
	Big Mushroom
	Water Stone

Sand

Item		Location	Games
	Stardust	1F, sometimes found by the player's walking Ground-type Pokémon in the sand patch south of the north entrance to the cave (Item determined randomly) 1F, sometimes found by the player's walking Ground-type Pokémon in the sand patch south of Hiker Claus (Item determined randomly) B1F, sometimes found by the player's walking Ground-type Pokémon in the sand in southeast corner of the floor, on the northeastern patch of sand, near the ladder (Item determined randomly) B1F, sometimes found by the player's walking Ground-type Pokémon in the sand patch on the western wall, southwest of Black Belt Steve (Item determined randomly)	P  E
	Star Piece

Rock Smash

If the rock contains an item, the game will pick one of the following:

Item		Location	Games
	Max Ether	Found by smashing breakable rocks (25%)	HG  SS
	Revive	Found by smashing breakable rocks (20%)	HG  SS
	Red Shard	Found by smashing breakable rocks (10% each)	HG  SS
	Blue Shard
	Yellow Shard
	Green Shard
	Heart Scale
	Star Piece	Found by smashing breakable rocks (5%)	HG  SS

Pokémon

Generation I

1F

Pokémon	Games						Location	Levels	Rate
Zubat	R		B		Y		Cave	15-18	55%
Zubat	R		B		Y		Cave	15, 17, 19, 21	55%
Geodude	R		B		Y		Cave	16-17	25%
Geodude	R		B		Y		Cave	16, 18, 20	35%
Machop	R		B		Y		Cave	15, 17	15%
Machop	R		B		Y		Cave	17, 19, 21	10%
Onix	R		B		Y		Cave	13, 15	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
Zubat	R		B		Y		Cave	16-18	50%
Zubat	R		B		Y		Cave	20-22	45%
Machop	R		B		Y		Cave	15, 17	15%
Machop	R		B		Y		Cave	18, 20	20%
Geodude	R		B		Y		Cave	16-18	26%
Geodude	R		B		Y		Cave	17, 21	25%
Onix	R		B		Y		Cave	13, 17	9%
Onix	R		B		Y		Cave	14, 18, 22	10%
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 II

1F

Pokémon	Games						Location	Levels	Rate
Zubat	G		S		C		Cave	8	10%
Zubat	G		S		C		Cave	12	10%	10%	0%
Zubat	G		S		C		Cave	12-15	0%	0%	40%
Machop	G		S		C		Cave	12	20%
Machop	G		S		C		Cave	12	20%	20%	0%
Machoke	G		S		C		Cave	14	5%
Machoke	G		S		C		Cave	15	5%	5%	0%
Geodude	G		S		C		Cave	10	30%
Geodude	G		S		C		Cave	11	30%	30%	0%
Geodude	G		S		C		Cave	11-12	0%	0%	50%
Haunter	G		S		C		Cave	17	0%	0%	10%
Cubone	G		S		C		Cave	10-13	35%
Cubone	G		S		C		Cave	10	30%	30%	0%
Marowak	G		S		C		Cave	12	5%	5%	0%
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
Geodude	G		S		C		Cave	12	30%
Geodude	G		S		C		Cave	14	30%
Cubone	G		S		C		Cave	12	30%
Cubone	G		S		C		Cave	12	30%	30%	0%
Onix	G		S		C		Cave	16	20%
Zubat	G		S		C		Cave	10	10%
Zubat	G		S		C		Cave	12	10%	10%	0%
Zubat	G		S		C		Cave	12-15	0%	0%	40%
Golbat	G		S		C		Cave	15	0%	0%	5%
Haunter	G		S		C		Cave	15	0%	0%	5%
Marowak	G		S		C		Cave	14	5%
Marowak	G		S		C		Cave	15	5%	5%	0%
Kangaskhan	G		S		C		Cave	14	5%
Kangaskhan	G		S		C		Cave	15	5%	5%	0%
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
Geodude	FR			LG			Cave	15-17	35%
Zubat	FR			LG			Cave	15-16	30%
Mankey	FR			LG			Cave	16-17	15%
Machop	FR			LG			Cave	16-17	15%
Onix	FR			LG			Cave	13, 15	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
Geodude	FR			LG			Cave	15-17	35%
Zubat	FR			LG			Cave	15-16	30%
Mankey	FR			LG			Cave	16-17	15%
Machop	FR			LG			Cave	17	10%
Onix	FR			LG			Cave	13, 15, 17	10%
Rock Smash
Geodude	FR			LG			Rock Smash	5-30	95%
Graveler	FR			LG			Rock Smash	25-40	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.

Generation IV

1F

Pokémon	Games						Location	Levels	Rate
Cubone	HG			SS			Cave	10, 13	35%
Geodude	HG			SS			Cave	10	30%
Machop	HG			SS			Cave	12	20%
Zubat	HG			SS			Cave	8	10%
Machoke	HG			SS			Cave	14	5%
Special Pokémon
Makuhita	HG			SS			Hoenn Sound	12	20%
Absol	HG			SS			Hoenn Sound	10	20%
Chingling	HG			SS			Sinnoh Sound	12	20%
Bronzor	HG			SS			Sinnoh Sound	10	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
Geodude	HG			SS			Cave	12	30%
Cubone	HG			SS			Cave	12	30%
Onix	HG			SS			Cave	16	20%
Zubat	HG			SS			Cave	10	10%
Marowak	HG			SS			Cave	14	5%
Kangaskhan	HG			SS			Cave	14	5%
Rock Smash
Geodude	HG			SS			Rock Smash	12-21	100%
Special Pokémon
Makuhita	HG			SS			Hoenn Sound	16	20%
Absol	HG			SS			Hoenn Sound	12	20%
Chingling	HG			SS			Sinnoh Sound	16	20%
Bronzor	HG			SS			Sinnoh Sound	12	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.

Generation VII

1F

Pokémon	Games						Location	Levels	Rate
Zubat	P			E			Cave	18-23	10%
Golbat	P			E			Cave	18-23	20%
Machop	P			E			Cave	18-23	10%
Geodude	P			E			Cave	18-23	10%
Graveler	P			E			Cave	18-23	20%
Onix	P			E			Cave	18-23	10%
Cubone	P			E			Cave	18-23	9%
Rhyhorn	P			E			Cave	18-23	10%
Kangaskhan	P			E			Cave	18-23	1%
Rare Spawns
Charmander	P			E			Cave	18-23	-
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
Zubat	P			E			Cave	18-23	20%
Golbat	P			E			Cave	18-23	10%
Machop	P			E			Cave	18-23	10%
Geodude	P			E			Cave	18-23	20%
Graveler	P			E			Cave	18-23	10%
Onix	P			E			Cave	18-23	10%
Cubone	P			E			Cave	18-23	9%
Rhyhorn	P			E			Cave	18-23	10%
Kangaskhan	P			E			Cave	18-23	1%
Rare Spawns
Charmander	P			E			Cave	18-23	-
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 I

Trainer	Pokémon
PokéManiac Reward: $1150	Cubone Lv.23 No item
	Slowpoke Lv.23 No item
PokéManiac Reward: $1250	Slowpoke Lv.25 No item
Jr. Trainer♀ Reward: $440	Oddish Lv.22 No item
	Bulbasaur Lv.22 No item
PokéManiac Reward: $1100	Charmander Lv.22 No item
	Cubone Lv.22 No item
Hiker Reward: $875	Geodude Lv.25 No item
Hiker Reward: $700	Machop Lv.20 No item
	Onix Lv.20 No item
Hiker Reward: $665	Geodude Lv.19 No item
	Machop Lv.19 No item
	Geodude Lv.19 No item
	Geodude Lv.19 No item
Hiker Reward: $700	Onix Lv.20 No item
	Onix Lv.20 No item
	Geodude Lv.20 No item
Hiker Reward: $735	Geodude Lv.21 No item
	Graveler Lv.21 No item
Jr. Trainer♀ Reward: $420	Jigglypuff Lv.21 No item
	Pidgey Lv.21 No item
	Meowth Lv.21 No item
Hiker Reward: $735	Geodude Lv.21 No item
	Geodude Lv.21 No item
	Graveler Lv.21 No item
PokéManiac Reward: $1000	Slowpoke Lv.20 No item
	Slowpoke Lv.20 No item
	Slowpoke Lv.20 No item
Jr. Trainer♀ Reward: $440	Bellsprout Lv.22 No item
	Clefairy Lv.22 No item
Jr. Trainer♀ Reward: $380	Pidgey Lv.19 No item
	Rattata Lv.19 No item
	Rattata Lv.19 No item
	Bellsprout Lv.19 No item
Jr. Trainer♀ Reward: $400	Meowth Lv.20 No item
	Oddish Lv.20 No item
	Pidgey Lv.20 No item

Generation III

Trainer	Pokémon
PokéManiac Ashton サチオ Sachio Reward: $1104	Cubone♂ Lv.23 No item
	Slowpoke♂ Lv.23 No item
PokéManiac Winston ミツグ Mitsugu Reward: $1200	Slowpoke♂ Lv.25 No item
Picnicker Martha トモコ Tomoko Reward: $440	Oddish♀ Lv.22 No item
	Bulbasaur♂ Lv.22 No item
PokéManiac Steve トシオ Toshio Reward: $1056	Charmander♂ Lv.22 No item
	Cubone♂ Lv.22 No item
Hiker Allen イサム Isamu Reward: $900	Geodude♂ Lv.25 No item
Hiker Eric ダイチ Daichi Reward: $720	Machop♂ Lv.20 No item
	Onix♂ Lv.20 No item
Hiker Lenny カツヒト Katsuhito Reward: $684	Geodude♂ Lv.19 No item
	Machop♂ Lv.19 No item
	Geodude♂ Lv.19 No item
	Geodude♂ Lv.19 No item
Hiker Oliver コダマ Kodama Reward: $720	Onix♂ Lv.20 No item
	Onix♂ Lv.20 No item
	Geodude♂ Lv.20 No item
Hiker Lucas サブロウ Saburō Reward: $756	Geodude♂ Lv.21 No item
	Graveler♂ Lv.21 No item
Picnicker Sofia ミノリ Minori Reward: $420	Jigglypuff♀ Lv.21 No item
	Pidgey♀ Lv.21 No item
	Meowth♀ Lv.21 No item
Hiker Dudley トクオ Tokuo Reward: $756	Geodude♂ Lv.21 No item
	Geodude♂ Lv.21 No item
	Graveler♂ Lv.21 No item
PokéManiac Cooper キヨハル Kiyoharu Reward: $960	Slowpoke♂ Lv.20 No item
	Slowpoke♂ Lv.20 No item
	Slowpoke♂ Lv.20 No item
Picnicker Leah エミ Emi Reward: $440	Bellsprout♀ Lv.22 No item
	Clefairy♀ Lv.22 No item
Picnicker Ariana カナミ Kanami Reward: $380	Pidgey♀ Lv.19 No item
	Rattata♀ Lv.19 No item
	Rattata♀ Lv.19 No item
	Bellsprout♀ Lv.19 No item
Picnicker Dana ミユキ Miyuki Reward: $400	Meowth♀ Lv.20 No item
	Oddish♀ Lv.20 No item
	Pidgey♀ Lv.20 No item
Trainers with a Vs. Seeker by their names, when alerted for a rematch using the item, may use higher-level Pokémon.

Generation VII

Trainer	Pokémon
Poké Maniac Ashton サチオ Sachio Reward: $1,104 3 Poké Balls	Slowpoke♂ Lv.23 No item
Poké Maniac Winston ミツグ Mitsugu Reward: $1,104 3 Poké Balls	Kangaskhan♀ Lv.23 No item
Black Belt Dudley トクオ Tokuo Reward: $672 3 Poké Balls	Onix♂ Lv.24 No item
Hiker Allen イサム Isamu Reward: $920 3 Poké Balls	Geodude♂ Lv.23 No item
	Onix♂ Lv.23 No item
	Graveler♂ Lv.23 No item
Black Belt Eric ダイチ Daichi Reward: $672 3 Poké Balls	Mankey♂ Lv.24 No item
	Poliwhirl♂ Lv.24 No item
Camper Lenny カツヒト Katsuhito Reward: $440 2 Great Balls	Growlithe♂ Lv.22 No item
Hiker Oliver コダマ Kodama Reward: $920 3 Poké Balls	Onix♂ Lv.23 No item
	Sandslash♂ Lv.23 No item
Hiker Claus サブロウ Saburō Reward: $920 3 Poké Balls	Machop♂ Lv.23 No item
	Rhyhorn♂ Lv.23 No item
Poké Maniac Cooper キヨハル Kiyoharu Reward: $1,104 3 Poké Balls	Ivysaur♂ Lv.23 No item
Ace Trainer Sofia ミノリ Minori Reward: $2,500 5 Ultra Balls	Vulpix♀ Lv.24 No item
	Kadabra♂ Lv.25 No item
Ace Trainer Charlie マナブ Manabu Reward: $2,500 5 Ultra Balls	Diglett♂ Lv.24 No item
	Flareon♂ Lv.25 No item
Black Belt Steve トシオ Toshio Reward: $672 3 Poké Balls	Machop♂ Lv.24 No item
	Machop♂ Lv.24 No item
Picnicker Leah エミ Emi Reward: $440 2 Great Balls	Nidorina♀ Lv.22 No item
Camper Leroy マコト Makoto Reward: $440 2 Great Balls	Nidorino♂ Lv.22 No item
Picnicker Dana ミユキ Miyuki Reward: $440 2 Great Balls	Meowth♀ Lv.22 No item
	Vulpix♀ Lv.22 No item
After becoming Champion
Master Trainer Hiker Irwin ヨシヒロ Yoshihiro	Geodude♂ Lv.65 Bide Brick Break - -
Master Trainer Scientist West トキオ Tokio	Zubat♂ Lv.70 Air Slash Confuse Ray - -

Layout

Version	1F	B1F
Red
Blue
Yellow
Gold
Silver
Crystal
FireRed
LeafGreen
HeartGold
SoulSilver

In the spin-off games

Pokémon Pinball

In Pokémon Pinball, Rock Tunnel appears on the Red and Blue tables; catchable Pokémon include Ekans, Diglett, Machop, Geodude, Slowpoke, Onix, Voltorb and Mr. Mime.

Preview

• 

  Morning (Kangaskhan)

• 

  Day/Evening (Marowak)

• 

  Night (Onix)

• 

  FRLG

In the anime

Rock Tunnel in the anime

Rock Tunnel in Pokémon Origins

Main series

Pokémon Journeys: The Series

The Rock Tunnel first appeared in Trials of a Budding Master!, after Goh told Ash about a mass outbreak of Geodude in the area. Soon after arriving there, Goh managed to find and catch himself a Geodude, after which Ash was challenged to a World Coronation Series battle by Dozer and his Gurdurr. Using his Farfetch'd, Ash emerged victorious after a tough battle, increasing his World Coronation Series rank. However, Ash was then challenged by Rinto, whose Gallade easily dodged all of Farfetch'd's attacks before defeating it with False Swipe.

Rock Tunnel reappeared in Searching for Service with a Smile!, where Ash and Goh helped Multa to retrieve a Trainer's Tauros from the tunnel.

Pokémon Origins

Rock Tunnel appeared in File 2: Cubone, where Red exited it on his way to Lavender Town.

Trivia

• Hiker^RBYFRLG/Black Belt^PE Dudley makes a reference to the song Hit Me with Your Best Shot by Pat Benatar, saying "Hit me with your best shot!" prior to battle, and "Fired away!" after being defeated.
• One of the Poké Maniacs in the tunnel makes a reference to Mobile Fighter G Gundam, saying "Pokémon Fight! Ready, Go!" prior to battle. Official Gundam Fights in the series began with both participants declaring "Gundam Fight! Ready, Go!"
• Rock Tunnel is the only one of Kanto's caves to appear in each of the first four generations with the same background music.
• Hornblende biotite granite is present here, as revealed in Steven's house in Mossdeep City in Pokémon Omega Ruby and Alpha Sapphire.

In other languages

Language Title Chinese Cantonese 岩山隧道 Ngàahmsāan Seuihdouh Mandarin 岩山隧道 Yánshān Suìdào Czech Kamenný tunel Finnish Kivitunneli French Grotte Sombre (VII) Grotte (I-IV) German Felstunnel Italian Tunnel Roccioso Korean 돌산터널 Dolsan Tunnel Polish Skalisty Tunel Brazilian Portuguese Túnel de Rocha Spanish Túnel Roca Turkish Kaya Tünel

Kanto
Settlements Pallet Town • Viridian City • Pewter City • Cerulean City • Vermilion City • Lavender Town Celadon City • Saffron City • Fuchsia City • Cinnabar Island • Indigo Plateau Routes 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 Landmarks Professor Oak's Laboratory • Viridian Forest • Diglett's Cave • Pewter Museum of Science • Mt. Moon (Square) • Cerulean Cave Underground Path (Kanto Routes 5–6) • Underground Path (Kanto Routes 7–8) • S.S. Anne • S.S. Aqua • Sea Cottage • Rock Tunnel Power Plant • Cycling Road/Pokémon Road • Team Rocket Hideout • Silph Co. • Magnet Train • Pokémon Tower • Safari Zone/Pal Park GO Park • Seafoam Islands • Pokémon Mansion • Cinnabar Lab • Pokémon League Reception Gate • Victory Road • Tohjo Falls Access to Sevii Islands • Johto

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