Route 21
Route 21 connects Pallet Town to the north and Cinnabar Island to the south. Wild Pokémon here: Rattata, Pidgey, Raticate, Pidgeotto, Tangela, and Tentacool (Lv 5–40). 9 trainers battle you here.

Pokémon, trainers and items
Tall grass
| Pokémon | Levels | Chance |
|---|---|---|
| Lv 21–23 | 29.7% | |
| Lv 21–23 | 29.7% | |
| Lv 30 | 15.2% | |
| Lv 30–32 | 14.8% | |
| Lv 28–32 | 10.5% |
Surfing
| Pokémon | Levels | Chance |
|---|---|---|
| Lv 5–40 | 100% |
Fishing
Old Rod: Magikarp (Lv 5). Good Rod: Goldeen or Poliwag (Lv 10). Super Rod: Staryu (Lv 15), Horsea (Lv 15), Shellder (Lv 15), or Goldeen (Lv 15), each equally likely.
Trainers
| Trainer | Team | Prize |
|---|---|---|
| Fisherman | Seaking Lv 28, Goldeen Lv 28, Seaking Lv 28, Seaking Lv 28 | ₽980 |
| Fisherman | Magikarp Lv 27, Magikarp Lv 27, Magikarp Lv 27, Magikarp Lv 27, Magikarp Lv 27, Magikarp Lv 27 | ₽945 |
| Swimmer | Seadra Lv 33, Tentacruel Lv 33 | ₽165 |
| Cue Ball | Tentacool Lv 31, Tentacool Lv 31, Tentacruel Lv 31 | ₽775 |
| Swimmer | Starmie Lv 37 | ₽185 |
| Swimmer | Staryu Lv 33, Wartortle Lv 33 | ₽165 |
| Swimmer | Poliwhirl Lv 32, Tentacool Lv 32, Seadra Lv 32 | ₽160 |
| Fisherman | Shellder Lv 31, Cloyster Lv 31 | ₽1085 |
| Fisherman | Seaking Lv 33, Goldeen Lv 33 | ₽1155 |
Getting there
- North: Pallet Town
- South: Cinnabar Island
Frequently asked questions
What Pokémon are on Route 21 in Pokémon Red?
Rattata, Pidgey, Raticate, Pidgeotto, Tangela, and Tentacool, at Lv 5–40.
What is the rarest Pokémon on Route 21?
Tangela, at 10.5% of encounters.
How many trainers are in Route 21?
9, the strongest with a Lv 37 Pokémon.