Kanto Route 20

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Kanto
Route 20
20番水道
Sea Route 20
Kanto Route 20 HGSS.png
Map description
A popular path with swimmers. The Seafoam Islands are also here.HGSS
An ocean route separated down the middle by the Seafoam Islands.PE
Required for navigation
Connecting locations
Cinnabar Island
Route 20
Route 19
Location
Kanto Route 20
Location of Route 20 in Kanto.
Kanto Route 20 RBY.png Kanto Route 20 GSC.png Kanto Route 20 FRLG.png
Gen I Gen II Gen III
Pokémon world routes
Route 19       Route 21

Route 20 (Japanese: 20番水道 Water Route 20), known as Sea Route 20 in Generation I, is a water route located in southern Kanto. It connects Route 19 in the east to Cinnabar Island in the west. The Seafoam Islands are located on this route.

Route description

From the southern entrance to the caves underneath Seafoam (guarded by a Trainer in Generations III and IV), Route 20 curves west, passing south of Route 19's western terminus through a narrow channel before expanding to the width of Route 19 west of the Seafoam Islands. In every Generation, there is a small rest platform just west of the Seafoam Islands (though this has become a single, large island in Generations III and IV). This rest area is occupied by a Trainer in Generation I, III, and IV.

Depending on the generation, the layout of Route 20 between this point and Cinnabar varies. In every generation, however, the essence is constant, as the route continues directly west to Cinnabar, where it encircles the island and meets Route 21 on Cinnabar's north side.

Generation I

From the rest station, there are three more Trainers, two of which are located very close to each other, before arriving at Cinnabar. There are also two more Trainers along Route 20, one near the western shore of the Seafoam Islands and another just south of the Seafoam entrance on Route 20 in the water.

Generation II

The length of Route 20 was cut by half in the second generation, which resulted in the number of Trainers being cut to three. Also, the labyrinth of rocks that were present around Seafoam, prohibiting direct access to Route 19 from Route 20 and vice versa, were removed. The only item of interest between the rest station and Cinnabar Island is a lone Trainer southwest of the platform.

Generation III

Unlike previous generations, Generation III featured no less than four rest islands, two of which contain Trainers. From the rest island present in all generations westward, the route passes north of a small island (with Trainers directly to the north and west of it) before heading south of the largest rest island on the route, north of another small island with a Trainer and north of another Trainer before coming to Cinnabar.

Generation IV

The route is the same in length as Generations I and III. The only noticeable change is that the rest islands from Generation III have combined into a large strip of land that goes along the bottom of the route. There are four Trainers on this island as well as three Swimmers and a Picnicker at the Seafoam entrance. Unlike in Generation II, the barrier that forces the player to travel through the islands' caves remains.

Items

Item Location Games
  Heart Scale Next to the southern Seafoam Islands entrance  P  E 
  Ultra Ball ×3 On the island where Bird Keeper Roger stands  P  E 
  Stardust On the large unoccupied island near Cinnabar Island (hidden)  FR  LG 
  Max Repel On the large unoccupied island near Cinnabar Island  P  E 
  Stardust On the northeast corner of the long, narrow sandbar on Cinnabar's side (hidden)  HG  SS 
  DeepSeaTooth To the right of the entrance to Blaine's Gym (hidden)  HG  SS 
  DeepSeaScale North of Seafoam Islands, near Swimmer Luis (hidden)  HG  SS 

Pokémon

Generation I

  Pokémon     Games     Location     Levels     Rate  
Surfing
  Tentacool
R B Y
  Surfing
5, 10, 15, 20, 30, 35, 40 100%
Fishing
  Magikarp
R B Y
  Fishing
Old Rod
5 100%
  Poliwag
R B Y
  Fishing
Good Rod
10 50%
  Goldeen
R B Y
  Fishing
Good Rod
10 50%
  Tentacool
R B Y
  Fishing
Super Rod
20 40%
  Tentacruel
R B Y
  Fishing
Super Rod
20, 40 40%
  Shellder
R B Y
  Fishing
Super Rod
15 25%
  Horsea
R B Y
  Fishing
Super Rod
15 25%
  Goldeen
R B Y
  Fishing
Super Rod
15 25%
  Staryu
R B Y
  Fishing
Super Rod
15 25%
  Staryu
R B Y
  Fishing
Super Rod
30 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 II

  Pokémon     Games     Location     Levels     Rate  
     
Surfing
  Tentacool
G S C
  Surfing
30-39 90%
  Tentacruel
G S C
  Surfing
35-39 10%
Fishing
  Magikarp
G S C
  Fishing
Old Rod
10 85%
  Tentacool
G S C
  Fishing
Old Rod
10 15%
  Tentacool
G S C
  Fishing
Good Rod
20 35%
  Magikarp
G S C
  Fishing
Good Rod
20 35%
  Chinchou
G S C
  Fishing
Good Rod
20 20%
  Shellder
G S C
  Fishing
Good Rod
20 10%
  Chinchou
G S C
  Fishing
Super Rod
40 40%
  Shellder
G S C
  Fishing
Super Rod
40 30%
  Tentacruel
G S C
  Fishing
Super Rod
40 20%
  Lanturn
G S C
  Fishing
Super Rod
40 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 III

  Pokémon     Games     Location     Levels     Rate  
Surfing
  Tentacool
FR LG
  Surfing
5-40 100%
Fishing
  Magikarp
FR LG
  Fishing
Old Rod
5 100%
  Horsea
FR LG
  Fishing
Good Rod
5-15 60%
  Horsea
FR LG
  Fishing
Good Rod
5-15 20%
  Krabby
FR LG
  Fishing
Good Rod
5-15 20%
  Krabby
FR LG
  Fishing
Good Rod
5-15 60%
  Magikarp
FR LG
  Fishing
Good Rod
5-15 20%
  Horsea
FR LG
  Fishing
Super Rod
15-25 80%
  Seadra
FR LG
  Fishing
Super Rod
25-35 4%
  Krabby
FR LG
  Fishing
Super Rod
15-25 80%
  Kingler
FR LG
  Fishing
Super Rod
25-35 4%
  Gyarados
FR LG
  Fishing
Super Rod
15-25 15%
  Psyduck
FR LG
  Fishing
Super Rod
25-35 1%
  Slowpoke
FR LG
  Fishing
Super Rod
25-35 1%
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

  Pokémon     Games     Location     Levels     Rate  
Surfing
  Tentacool
HG SS
  Surfing
30-35 90%
  Tentacruel
HG SS
  Surfing
35 10%
Fishing
  Magikarp
HG SS
  Fishing
Old Rod
10 95%
  Tentacool
HG SS
  Fishing
Old Rod
10 5%
  Magikarp
HG SS
  Fishing
Good Rod
20 60%
  Tentacool
HG SS
  Fishing
Good Rod
20 30%
  Chinchou
HG SS
  Fishing
Good Rod
20 7%
  Shellder
HG SS
  Fishing
Good Rod
20 3%
  Chinchou
HG SS
  Fishing
Super Rod
40 60%
  Shellder
HG SS
  Fishing
Super Rod
40 30%
  Tentacruel
HG SS
  Fishing
Super Rod
40 7%
  Lanturn
HG SS
  Fishing
Super Rod
40 3%
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

  Pokémon     Games     Location     Levels     Rate  
Sea Skim
  Tentacool
P E
  Sea Skim
37-42 45%
  Tentacruel
P E
  Sea Skim
37-42 5%
  Magikarp
P E
  Sea Skim
37-42 45%
  Gyarados
P E
  Sea Skim
37-42 5%
Rare Spawns
  Lapras
P E
  Sea Skim
37-42 -
While riding a Flying Pokémon
  Pidgey
P E
  Midair
3-56 60%
  Pidgeotto
P E
  Midair
3-56 35%
  Pidgeot
P E
  Midair
3-56 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.


Trainers

Generation I

The following Trainers are listed from east to west.

Trainer Pokémon
East of the islands
 
Swimmer
Reward:  155
  Shellder Lv.31
No item
  Cloyster Lv.31
No item
 
Swimmer
Reward:  140
  Horsea Lv.28
No item
  Horsea Lv.28
No item
  Seadra Lv.28
No item
  Horsea Lv.28
No item
 
Beauty
Reward:  2100
  Seadra Lv.30
No item
  Horsea Lv.30
No item
  Seadra Lv.30
No item
 
Beauty
Reward:  2450
  Seaking Lv.35
No item
West of the islands
 
Jr. Trainer♀
Reward:  600
  Tentacool Lv.30
No item
  Horsea Lv.30
No item
  Seel Lv.30
No item
 
Swimmer
Reward:  175
  Staryu Lv.35
No item
 
Bird Keeper
Reward:  750
  Fearow Lv.30
No item
  Fearow Lv.30
No item
  Pidgeotto Lv.30
No item
 
Beauty
Reward:  2100
  Shellder Lv.30
No item
  Shellder Lv.30
No item
  Cloyster Lv.30
No item
 
Jr. Trainer♀
Reward:  620
  Goldeen Lv.31
No item
  Seaking Lv.31
No item
 
Beauty
Reward:  2170
  Poliwag Lv.31
No item
  Seaking Lv.31
No item


Generation II

The following Trainers are listed from west to east.

Trainer Pokémon
 
Swimmer♂ Cameron
カツヤ Katsuya
Reward:  272
  Marill Lv.34
No item
 
Swimmer♀ Lori
ケイ Kay
Reward:  640
  Starmie Lv.32
No item
  Starmie Lv.32
No item
 
Swimmer♀ Nicole
クニミ Kunimi
Reward:  640
  Marill Lv.29
No item
  Marill Lv.29
No item
  Lapras Lv.32
No item
Trainers with a telephone symbol by their names will give their Pokégear number to the player, and may call or be called for a rematch with higher-level Pokémon.


Generation III

The following Trainers are listed from east to west.

Trainer Pokémon
East of the islands
 
Swimmer♂ Barry
ガクジ Gakuji
Reward:  124
  Shellder Lv.31
No item
  Cloyster Lv.31
No item
 
Swimmer♂ Darrin
テルユキ Teruyuki
Reward:  112
 
  Horsea Lv.28
No item
  Horsea Lv.28
No item
  Horsea Lv.28
No item
  Seadra Lv.28
No item
 
Swimmer♀ Shirley
アサミ Asami
Reward:  120
  Seadra Lv.30
No item
  Horsea Lv.30
No item
  Seadra Lv.30
No item
 
Swimmer♀ Tiffany
ハルコ Haruko
Reward:  140
  Seaking Lv.35
No item
West of the islands
 
Picnicker Irene
ミズキ Mizuki
Reward:  600
  Tentacool Lv.30
No item
  Horsea Lv.30
No item
  Seel Lv.30
No item
 
Bird Keeper Roger
トモヒコ Tomohiko
Reward:  720
  Fearow Lv.30
No item
  Fearow Lv.30
No item
  Pidgeotto Lv.30
No item
 
Swimmer♀ Nora
リリカ Ririka
Reward:  120
  Shellder Lv.30
No item
  Shellder Lv.30
No item
  Cloyster Lv.30
No item
 
Swimmer♂ Dean
レツジ Retsuji
Reward:  140
  Staryu Lv.35
No item
 
Picnicker Missy
クミコ Kumiko
Reward:  620
 
  Goldeen Lv.31
No item
  Seaking Lv.31
No item
 
Swimmer♀ Melissa
メグミ Megumi
Reward:  124
 
  Poliwag Lv.31
No item
  Seaking Lv.31
No item
Rematch
 
Swimmer♂ Darrin
テルユキ Teruyuki
Reward:  208
 
  Seadra Lv.52
No item
  Seadra Lv.52
No item
  Seadra Lv.52
No item
  Seadra Lv.52
No item
 
Picnicker Missy*
クミコ Kumiko
Reward:  700
 
  Seaking Lv.49
No item
  Seaking Lv.49
No item
 
Picnicker Missy*
クミコ Kumiko
Reward:  1080
 
  Seaking Lv.54
No item
  Seaking Lv.54
No item
 
Swimmer♀ Melissa
メグミ Megumi
Reward:  196
 
  Poliwhirl Lv.49
No item
  Seaking Lv.49
No item
Trainers with a Vs. Seeker by their names, when alerted for a rematch using the item, may use higher-level Pokémon.


Generation IV

The following Trainers are listed from west to east.

Trainer Pokémon
West of the islands
 
Swimmer Frankie
カツヤ Katsuya
Reward:  704
  Azumarill Lv.44
No item
 
Bird Keeper Bert
マスミツ Masumitsu
Reward:  1376
  Wingull Lv.46
No item
  Fearow Lv.43
No item
 
Swimmer Mina
チグミ Chigumi
Reward:  656
  Luvdisc Lv.38
No item
  Luvdisc Lv.39
No item
  Luvdisc Lv.41
No item
 
Picnicker Cheyenne
アサミ Asami
Reward:  720
  Shinx Lv.45
No item
 
Bird Keeper Ernie
ヤジロウ Yajirō
Reward:  1536
  Starly Lv.48
No item
 
Swimmer Leona
リオナ Leona
Reward:  704
  Bidoof Lv.44
No item
 
Picnicker Adrian
ナナカ Nanaka
Reward:  720
  Shroomish Lv.45
No item
East of the islands
 
Swimmer Luis
トシミツ Toshimitsu
Reward:  672
  Seadra Lv.46
No item
  Quagsire Lv.42
No item
 
Camper Pedro
シンヤ Shin'ya
Reward:  720
  Linoone Lv.45
  Sitrus Berry
 
Swimmer Elmo
シブキ Shibuki
Reward:  672
  Poliwhirl Lv.46
No item
  Tentacruel Lv.42
No item
 
Swimmer Lori
ケイ Kay
Reward:  672
  Starmie Lv.42
No item
  Starmie Lv.42
No item
  Starmie Lv.42
No item
 
Swimmer Nicole
クニミ Kunimi
Reward:  672
  Marill Lv.39
No item
  Marill Lv.39
No item
  Lapras Lv.42
No item
Trainers with a telephone symbol by their names will give their Pokégear number to the player, and may call or be called for a rematch with higher-level Pokémon.


Generation VII

The following Trainers are listed from east to west.

Trainer Pokémon
East of the islands
 
Swimmer Douglas
タツオ Tatsuo
Reward:  820
3 Poké Balls
  Gyarados Lv.42
No item
 
Swimmer Darrin
テルユキ Teruyuki
Reward:  880
3 Poké Balls
  Golduck Lv.44
No item
  Gyarados Lv.44
No item
 
Beauty Shirley
アサミ Asami
Reward:  820
3 Poké Balls
  Wartortle Lv.41
No item
  Starmie Lv.41
No item
West of the islands
 
Picnicker Irene
ミズキ Mizuki
Reward:  860
2 Great Balls
  Marowak Lv.43
No item
  Gloom Lv.43
No item
  Wigglytuff Lv.43
No item
 
Beauty Hansol
ナツミ Natsumi
Reward:  860
3 Poké Balls
  Slowbro Lv.43
No item
 
Bird Keeper Roger
トモヒコ Tomohiko
Reward:  2,700
3 Poké Balls
  Fearow Lv.45
No item
  Dodrio Lv.45
No item
  Pidgeot Lv.45
No item
 
Swimmer Dean
レツジ Retsuji
Reward:  880
3 Poké Balls
  Starmie Lv.44
No item
  Tentacruel Lv.44
No item
  Kingler Lv.44
No item
 
Picnicker Missy
クミコ Kumiko
Reward:  820
2 Great Balls
  Jolteon Lv.41
No item
 
Beauty Nora
リリカ Ririka
Reward:  820
3 Poké Balls
  Cloyster Lv.41
No item
 
Beauty Melissa
メグミ Megumi
Reward:  860
3 Poké Balls
  Seaking Lv.43
No item
  Jynx Lv.43
No item
 
Ace Trainer Marty
ショウ Shō
Reward:  4,600
5 Ultra Balls
  Golem Lv.45
No item
  Pinsir Lv.46
No item


Post-game

Trainer Pokémon
East of the islands
Master Trainer
 
Beauty Tessa
ハルナ Haruna
Reward: N/A
  Blastoise Lv.80
Fake Out Rock Slide
Dark Pulse Substitute
Master Trainer
 
Scientist Francis
トクマ Tokuma
Reward: N/A
  Tentacool Lv.75
Barrier Headbutt
Hydro Pump -
West of the islands
Master Trainer
 
Beauty Rose
ミレイ Mirei
Reward: N/A
  Cloyster Lv.75
Barrier Toxic
Protect Rest
Master Trainer
 
Beauty Prita
ミナミ Minami
Reward: N/A
  Wartortle Lv.75
Headbutt Rock Slide
Skull Bash -
Master Trainer
 
Scientist Melvin
フミヒト Fumihito
Reward: N/A
  Tentacruel Lv.80
Wrap Screech
Barrier Headbutt


Differences among generations

Generation I

In the first appearance of this route, the rock boundaries follow a strict path. Rocks blocking the way, forcing people to travel through the Seafoam Islands. There are two signposts numbering the islands, one outside each cave. There is also a wooden pier-like island in the west section.

Generation II

The route is shortened by nearly 30%. The west island doesn't have an entrance, and the cave of the east one is now Blaine's gym. Due to this, the rocks blocking the water path are removed, and there is just one signpost, indicating the Gym and the Gym Leader.

Generation III

In Generation III, the rock formations are not straight, making the route seem more natural. The Seafoam Islands are remodeled and made bigger. The characteristics of the Seafoam Islands are essentially that of Generation I. The west island is now a tiny sandbar, and three other sandbars are added near the original.

Generation IV

In this generation, the route is very similar to its appearance in Generation III. Unlike Generation II, the path is blocked again and the player is forced to travel through the cave, but the Cinnabar Gym is still in the east cave. Now one signpost indicates the landmark's name, and the other has the Gym information. The four tiny islands in the west are now merged into one large sandbar in the southwest section, with some Trainers on it. Several rocks are now present in the middle of the route.

In the manga

Pokémon Adventures

Red, Green & Blue chapter

Route 20 made a brief appearance in the beginning of Holy Moltres, where Red was seen arriving at Cinnabar Island on his Gyarados after having visited the Seafoam Islands.

See also


Kanto
               
Settlements
Pallet TownViridian CityPewter CityCerulean CityVermilion CityLavender Town
Celadon CitySaffron CityFuchsia CityCinnabar IslandIndigo Plateau
Routes
12345678910111213141516171819202122232425262728
Landmarks
Professor Oak's LaboratoryViridian ForestDiglett's CavePewter Museum of ScienceMt. Moon (Square) • Cerulean Cave
Underground Path (Kanto Routes 5-6)Underground Path (Kanto Routes 7-8)S.S. AnneS.S. AquaSea CottageRock Tunnel
Power PlantCycling Road/Pokémon RoadTeam Rocket HideoutSilph Co.Magnet TrainPokémon TowerSafari Zone/Pal Park
GO ParkSeafoam IslandsPokémon MansionCinnabar LabPokémon League Reception GateVictory RoadTohjo Falls
Access to
Sevii IslandsJohto


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