From Bulbapedia, the community-driven Pokémon encyclopedia.
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Route 21 is a long north-south water route located in southwest Kanto. Its northern terminus is at Pallet Town. The southern terminus is at the north shore of Cinnabar Island, where the water around the area becomes part of Route 20.
Route description
From Pallet, the route begins as a small channel of water. South of the town, an outcrop of land on the route's east side holds the only grassy area on any water route in Pokémon history. Past the grassy area, the mainland terminates and the route widens significantly in size.
South of this point, the look of the route varies greatly by Generation. In Generation I, there are two small bridges containing two trainers each spread out along the route. Five other trainers are also found along the route. In Generation II, the bridges remain but only one trainer is found on one of the bridges. Two more trainers are located in the water. Generation III replaced the bridges with sandy islands and added five additional islands as well. Trainers can be found on four of the islands, as well as in five locations in the water, making a total of nine trainers.
In every Generation, the route runs directly north-south in the water, reaching its southern terminus at Cinnabar near the southernmost trainer.
Items
Pokémon
Generation I
Grass
Surfing
Fishing
Surfing
| Name
|
Games
|
Location
|
Levels
|
Rate
|
| Tentacool
|
R
|
B
|
Y
|
Surfing
|
5-40
|
100%
|
Generation II
Grass
- Mr. Mime - All times (Gold/Silver); Morning and Day (Crystal)
- Raticate - All times (Crystal)
- Rattata - All times (Crystal)
- Tangela - All times
Fishing
- Chinchou - Good and Super Rods
- Lanturn - Super Rod
- Magikarp - Old and Good Rods
- Shellder - Good and Super Rods
- Tentacool - Old and Good Rods
- Tentacruel - Super Rod
Surfing
- Tentacool - All times
- Tentacruel - All times
Generation III
Grass
Fishing
Surfing
Differences among generations
Aside from the differences described in the Route description, the route was shortened considerably in Generation II. The basic design of the route, however, was almost identical to that of Generation I.
