Route 21, Kanto (location)
This is the Pokémon Location guide for Route 21 in Kanto.
Choose which generation of games you're playing to see the Pokémon and capture methods.
Generation 7
Walking
Walking in grass or a cave
| Pokémon | Games | Rarity | Levels | Details | |
|---|---|---|---|---|---|
| Pidgey | LGP | LGE | 10% | 37-42 | |
| Pidgeotto | LGP | LGE | 20% | 37-42 | |
| Rattata | LGP | LGE | 10% | 37-42 | |
| Raticate | LGP | LGE | 20% | 37-42 | |
| Oddish | LGP | LGE | 10% | 37-42 | |
| Gloom | LGP | LGE | 14% | 37-42 | |
| Bellsprout | LGP | LGE | 10% | 37-42 | |
| Weepinbell | LGP | LGE | 14% | 37-42 | |
| Tangela | LGP | LGE | 15% | 37-42 | |
| Vileplume | LGP | LGE | 1% | 37-42 | |
| Victreebel | LGP | LGE | 1% | 37-42 | |
Surfing
Surfing on water
| Pokémon | Games | Rarity | Levels | Details | |
|---|---|---|---|---|---|
| Tentacool | LGP | LGE | 30% | 37-42 | |
| Staryu | LGP | LGE | 30% | 37-42 | |
| Magikarp | LGP | LGE | 30% | 37-42 | |
| Tentacruel | LGP | LGE | 9% | 37-42 | |
| Starmie | LGP | LGE | 1% | 37-42 | |
Flying
Flying in the air on a Pokémon
| Pokémon | Games | Rarity | Levels | Details | |
|---|---|---|---|---|---|
| Pidgey | LGP | LGE | 60% | 3-56 | |
| Pidgeotto | LGP | LGE | 35% | 3-56 | |
| Pidgeot | LGP | LGE | 5% | 3-56 | |
Generation 4
Walking
Walking in grass or a cave
| Pokémon | Games | Times | Rarity | Levels | Details | |
|---|---|---|---|---|---|---|
| Tangela | HG | SS |    |
 |
20-30 | |
| Mr. Mime | HG | SS | |
 |
28-30 | |
| Mr. Mime | HG | SS | |
 |
28 | |
| Hoenn Sound | ||||||
| Linoone | HG | SS | |
|
35 | |
| Whismur | HG | SS | |
|
25-30 | |
| Sinnoh Sound | ||||||
| Bidoof | HG | SS | |
|
35 | |
| Buizel | HG | SS | |
|
25-30 | |
Surfing
Surfing on water
| Pokémon | Games | Times | Rarity | Levels | Details | |
|---|---|---|---|---|---|---|
| Tentacool | HG | SS | |
|
30-35 | |
| Tentacruel | HG | SS | |
|
35 | |
Super Rod
Fishing using the Super Rod
| Pokémon | Games | Times | Rarity | Levels | Details | |
|---|---|---|---|---|---|---|
| Shellder | HG | SS | |
|
40 | |
| Chinchou | HG | SS | |
|
40 | |
| Tentacruel | HG | SS | |
|
40 | |
| Lanturn | HG | SS | |
|
40 | |
Good Rod
Fishing using the Good Rod
| Pokémon | Games | Times | Rarity | Levels | Details | |
|---|---|---|---|---|---|---|
| Tentacool | HG | SS | |
|
20 | |
| Magikarp | HG | SS | |
|
20 | |
| Shellder | HG | SS | |
|
20 | |
| Chinchou | HG | SS | |
|
20 | |
Old Rod
Fishing using the Old Rod
Headbutt
Headbutt large trees in the field
| Pokémon | Games | Times | Rarity | Levels | Details | |
|---|---|---|---|---|---|---|
| Hoothoot | HG | SS | |
 |
21-34 | |
| Ledyba | HG | SS | |
|
21-27 | |
| Spinarak | HG | SS | |
|
21-27 | |
| Wurmple | HG | SS | |
|
21-30 | Post-National Dex |
Generation 3
Walking
Walking in grass or a cave
| Pokémon | Games | Rarity | Levels | Details | |
|---|---|---|---|---|---|
| Tangela | FR | LG | |
17-28 | |
Surfing
Surfing on water
| Pokémon | Games | Rarity | Levels | Details | |
|---|---|---|---|---|---|
| Tentacool | FR | LG | |
5-40 | |
Super Rod
Fishing using the Super Rod
| Pokémon | Games | Rarity | Levels | Details | |
|---|---|---|---|---|---|
| Krabby | FR | LG | |
15-35 | |
| Horsea | FR | LG | |
15-35 | |
| Gyarados | FR | LG | |
15-25 | |
| Psyduck | FR | LG | |
25-35 | |
| Slowpoke | FR | LG | |
25-35 | |
Good Rod
Fishing using the Good Rod
| Pokémon | Games | Rarity | Levels | Details | |
|---|---|---|---|---|---|
| Krabby | FR | LG | |
5-15 | |
| Horsea | FR | LG | |
5-15 | |
| Krabby | FR | LG | |
5-15 | |
| Horsea | FR | LG | |
5-15 | |
| Magikarp | FR | LG | |
5-15 | |
Old Rod
Fishing using the Old Rod
| Pokémon | Games | Rarity | Levels | Details | |
|---|---|---|---|---|---|
| Magikarp | FR | LG | |
5 | |
Generation 2
Walking
Walking in grass or a cave
| Pokémon | Games | Times | Rarity | Levels | Details | ||
|---|---|---|---|---|---|---|---|
| Tangela | G | S | C | |
|
20-35 | |
| Rattata | G | S | C | |
|
25 | |
| Tangela | G | S | C | |
|
28-35 | |
| Tangela | G | S | C | |
|
30-35 | |
| Mr. Mime | G | S | C | |
|
28-30 | |
| Raticate | G | S | C | |
|
20 | |
| Mr. Mime | G | S | C | |
|
28 | |
Surfing
Surfing on water
| Pokémon | Games | Times | Rarity | Levels | Details | ||
|---|---|---|---|---|---|---|---|
| Tentacool | G | S | C | |
|
30-39 | |
| Tentacruel | G | S | C | |
|
35-39 | |
Super Rod
Fishing using the Super Rod
Good Rod
Fishing using the Good Rod
| Pokémon | Games | Times | Rarity | Levels | Details | ||
|---|---|---|---|---|---|---|---|
| Krabby | G | S | C | |
|
20 | |
| Magikarp | G | S | C | |
|
20 | |
| Staryu | G | S | C | |
|
20 | |
| Corsola | G | S | C | |
|
20 | |
Old Rod
Fishing using the Old Rod
Generation 1
Walking
Walking in grass or a cave
| Pokémon | Games | Rarity | Levels | Details | ||
|---|---|---|---|---|---|---|
| Pidgey | R | B | Y | |
21-23 | |
| Rattata | R | B | Y | |
21-23 | |
| Pidgey | R | B | Y | |
11-17 | |
| Rattata | R | B | Y | |
13-15 | |
| Pidgeotto | R | B | Y | |
30-32 | |
| Raticate | R | B | Y | |
30 | |
| Tangela | R | B | Y | |
28-32 | |
| Pidgeotto | R | B | Y | |
15-19 | |
| Raticate | R | B | Y | |
15 | |
Surfing
Surfing on water
| Pokémon | Games | Rarity | Levels | Details | ||
|---|---|---|---|---|---|---|
| Tentacool | R | B | Y | |
5-40 | |
Super Rod
Fishing using the Super Rod
| Pokémon | Games | Rarity | Levels | Details | ||
|---|---|---|---|---|---|---|
| Shellder | R | B | Y | |
15 | |
| Horsea | R | B | Y | |
15 | |
| Goldeen | R | B | Y | |
15 | |
| Staryu | R | B | Y | |
15 | |
| Tentacool | R | B | Y | |
15-30 | |
| Staryu | R | B | Y | |
20 | |
| Tentacruel | R | B | Y | |
30 | |
Good Rod
Fishing using the Good Rod
Old Rod
Fishing using the Old Rod
| Pokémon | Games | Rarity | Levels | Details | ||
|---|---|---|---|---|---|---|
| Magikarp | R | B | Y | |
5 | |