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Castelia Sewers

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Reason: Full list of what items are available only if sewers are flooded, and layout.

Castelia Sewers ヒウン下水道
Hiun Sewers
"Wild Missingno. appeared!"
Castelia Sewers dry B2W2.png
Map description: Iron bars around the exits were dismantled, drawing curious Trainers.
Location: Under Castelia City
Region: Unova
Generations: V
Unova Castelia Sewers Map.png
Location of Castelia Sewers in Unova.
Pokémon world locations

The Castelia Sewers (Japanese: ヒウン下水道 Hiun Sewers) is a location in south Unova. It is accessible via an entrance in Castelia City on Thumb Pier. They cannot be accessed until the player talks to Clyde in front the Castelia Gym. When exploring for the first time, Hugh will join the player as a Multi Battle partner. Here the player meets Colress for the first time. Relic Passage is accessible from here. There is also an exit to Castelia City's park with wild Pokémon, and when the sewers are flooded, to Castelia City's back alley. During autumn and winter, the sewers are dry, blocking some areas and removing the requirement of Surf to access others.

Items

Item Location Games
Bag Twisted Spoon Sprite.png TwistedSpoon Near Team Plasma Grunts  B2  W2 
Bag X Sp. Atk Sprite.png X Special Near the Janitor  B2  W2 
Bag Rare Bone Sprite.png Rare Bone In western part  B2  W2 
Bag Leftovers Sprite.png Leftovers Near the Doctor  B2  W2 
Bag HM Normal Sprite.png HM04 (Strength) From Hugh after defeating Team Plasma Grunts  B2  W2 
Bag Heart Scale Sprite.png Heart Scale West of the Relic Passage entranceSpringSummer  B2  W2 
Bag X Sp. Def Sprite.png X Sp. Def West of Janitor Felix (requires Surf)SpringSummer  B2  W2 
Bag Pearl Sprite.png Pearl Near Worker Scott (requires Surf)SpringSummer  B2  W2 
Bag HP Up Sprite.png HP Up Southernmost part (requires Surf) (hidden)SpringSummer  B2  W2 
Bag Poison Gem Sprite.png Poison Gem Northeast of HP Up (requires Surf) (hidden)SpringSummer  B2  W2 
Bag TM Dark Sprite.png TM41 (Torment) West of Scientist Clarke (requires Surf)SpringSummer  B2  W2 
Bag Max Repel Sprite.png Max Repel Southwest of Janitor Felix (requires Surf) (hidden)SpringSummer  B2  W2 
Bag Nugget Sprite.png Nugget East of Worker Zack (requires Surf) (hidden)SpringSummer  B2  W2 
Bag Ultra Ball Sprite.png Ultra Ball West of Worker Scott (requires Surf)SpringSummer  B2  W2 
Bag Black Sludge Sprite.png Black Sludge West of Max Repel (requires Surf)SpringSummer  B2  W2 

Scientists

A female Scientist in a room near Doctor Heath and a male Scientist in a room near Janitor Brady are attempting to turn poison into medicine, and will give the player items created in their experiments. They can give out any one of these items on a daily basis.

Item Location Games
Bag Potion Sprite.png Potion Received from female Scientist  B2  W2 
Bag Super Potion Sprite.png Super Potion Received from female Scientist  B2  W2 
Bag Revive Sprite.png Revive Received from female Scientist  B2  W2 
Bag Antidote Sprite.png Antidote Received from male Scientist (requires Surf)SpringSummer  B2  W2 
Bag Full Heal Sprite.png Full Heal Received from male Scientist (requires Surf)SpringSummer  B2  W2 
Bag Full Restore Sprite.png Full Restore Received from male Scientist (requires Surf)SpringSummer  B2  W2 

Pokémon

  Pokémon     Games     Location     Levels     Rate  
Sp Su Au Wi
019 Rattata
B2 W2
Cave Cave
14-17 45%
041 Zubat
B2 W2
Cave Cave
14-17 45%
088 Grimer
B2 W2
Cave Cave
15, 17 10%
Surfing
088 Grimer
B2 W2
Surfing Surfing
5-15 100% 100% - -
Rippling water
088 Grimer
B2 W2
Rippling water Rippling water
5-20 95% 95% - -
089 Muk
B2 W2
Rippling water Rippling water
5-20 5% 5% - -
Fishing
088 Grimer
B2 W2
Super Rod Fishing
40-70 100% 100% - -
Rippling water
088 Grimer
B2 W2
Rippling water Rippling water
40-60 90% 90% - -
089 Muk
B2 W2
Rippling water Rippling water
50-70 10% 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.

Trainers

Even when partnered with Hugh, Trainers other than the Team Plasma Grunts are engaged only in Single Battles, without Hugh.

Snivy If the player chose Snivy:



Tepig If the player chose Tepig:



Oshawott If the player chose Oshawott:




Trainer Pokémon
Janitor Felix
Janitor Felix
カンキチ Kankichi
Reward: PokémonDollar.png640
506 Lillipup Lv.16
No item
568 Trubbish Lv.16
No item
Doctor Heath
Doctor Heath
タイゾウ Taizō
Reward: PokémonDollar.png1020
540 Sewaddle Lv.17
No item
Worker Zack
Worker Zack
ザック Zack
Reward: PokémonDollar.png680
529 Drilbur Lv.17
No item
Team Plasma Grunt
Team Plasma Grunt
Reward: PokémonDollar.png1280
(w. Team Plasma Grunt)
551 Sandile Lv.16
No item
Team Plasma Grunt
Team Plasma Grunt
Reward: PokémonDollar.png1280
(w. Team Plasma Grunt)
559 Scraggy Lv.16
No item
Surf required during Spring and Summer;
Normal access otherwise
Worker Scott
Worker Scott
スコット Scott
Reward: PokémonDollar.png640
532 Timburr Lv.17
No item
Autumn and Winter only
Scientist Caroline
Scientist Caroline
ユウコ Yūko
Reward: PokémonDollar.png816
088 Grimer Lv.17
No item
Surf required; Spring and Summer only
Scientist Clarke
Scientist Clarke
タカアキ Takaaki
Reward: PokémonDollar.png816
081 Magnemite Lv.17
No item
Janitor Brady
Janitor Brady
ムネノリ Munenori
Reward: PokémonDollar.png1240
183 Marill Lv.31
No item
573 Cinccino Lv.31
No item

In the anime

Castelia Sewers in the anime.

The Castelia Sewers made an appearance in A Venipede Stampede!. Burgh, Ash and his friends observed a Venipede stuck in one of the pipes and the Venipede got free with their help. Notably, this area appeared in the anime long before it was accessible in the games.

In other languages

Language Title
France Flag.png French Égouts de Volucité
Germany Flag.png German Stratos-Kanalisation
Italy Flag.png Italian Fogne di Austropoli
South Korea Flag.png Korean 구름하수도 Gureum Hasudo
Spain Flag.png Spanish Cloacas Porcelana



Unova
Trio Badge.png Basic Badge.png Insect Badge.png Bolt Badge.png Quake Badge.png Jet Badge.png Freeze Badge.png Legend Badge.png
Basic Badge.png Toxic Badge.png Insect Badge.png Bolt Badge.png Quake Badge.png Jet Badge.png Legend Badge.png Wave Badge.png
Settlements
Nuvema TownAccumula TownStriaton CityNacrene CityCastelia CityNimbasa CityAnville Town
Driftveil CityMistralton CityIcirrus CityOpelucid CityPokémon LeagueLacunosa TownUndella Town
Black CityWhite ForestAspertia CityFloccesy TownVirbank CityLentimas TownHumilau City
Routes
1234567891011121314151617181920212223
Bridges and tunnels
Skyarrow BridgeDriftveil DrawbridgeTubeline BridgeVillage BridgeMarvelous BridgeMarine Tube
Landmarks
DreamyardWellspring CavePinwheel ForestLiberty GardenDesert ResortRelic CastleBattle SubwayLostlorn Forest
Cold StorageMistralton CaveChargestone CaveCelestial TowerTwist MountainDragonspiral TowerMoor of Icirrus
Challenger's CaveVictory Road (BWB2W2) • N's CastleRoyal UnovaGiant ChasmUndella BayAbyssal Ruins
Abundant ShrinePoké Transfer LabP2 LaboratoryEntralinkUnity TowerFloccesy RanchPledge GroveVirbank Complex
Pokéstar StudiosCastelia SewersJoin AvenueCave of BeingPokémon World TournamentReversal MountainPlasma Frigate
Clay TunnelUnderground RuinsStrange HouseRelic PassageSeaside CaveWhite TreehollowBlack Tower
Access to
Nature Preserve

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.