Route 20
Route 20 connects Route 19 to the east and Cinnabar Island to the west. Wild Pokémon here: Tentacool (Lv 5–40). 10 trainers battle you here.

Pokémon, trainers and items
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 |
|---|---|---|
| Swimmer | Shellder Lv 31, Cloyster Lv 31 | ₽155 |
| Beauty | Seadra Lv 30, Horsea Lv 30, Seadra Lv 30 | ₽2100 |
| Beauty | Seaking Lv 35 | ₽2450 |
| Jr.trainer♀ | Tentacool Lv 30, Horsea Lv 30, Seel Lv 30 | ₽600 |
| Swimmer | Staryu Lv 35 | ₽175 |
| Swimmer | Horsea Lv 28, Horsea Lv 28, Seadra Lv 28, Horsea Lv 28 | ₽140 |
| Bird Keeper | Fearow Lv 30, Fearow Lv 30, Pidgeotto Lv 30 | ₽750 |
| Beauty | Shellder Lv 30, Shellder Lv 30, Cloyster Lv 30 | ₽2100 |
| Jr.trainer♀ | Goldeen Lv 31, Seaking Lv 31 | ₽620 |
| Beauty | Poliwag Lv 31, Seaking Lv 31 | ₽2170 |
Getting there
- East: Route 19
- West: Cinnabar Island
Frequently asked questions
What Pokémon are on Route 20 in Pokémon Red?
Tentacool, at Lv 5–40.
What is the rarest Pokémon on Route 20?
Tentacool, at 100% of encounters.
How many trainers are in Route 20?
10, the strongest with a Lv 35 Pokémon.