Route 20 Gold & Silver · Kanto route

Route 20 is a sea route stretching east from Cinnabar Island past the Seafoam Islands towards Route 19. Blaine has set up his Gym inside the Seafoam Islands after the volcano destroyed the one on Cinnabar. Visiting this route also clears the boulders blocking Route 19.
- Wild Pokémon
- 6
- Items
- 0
- Trainers
- 3
- Needs
- Surf
Connects to: Cinnabar Island · Route 19 · Seafoam Islands
Route 20 on the Kanto map
Wild Pokémon
| Pokémon | Type | Lv. | Chance |
|---|---|---|---|
Tentacool | WaterPoison | 30–35 | 90% |
Tentacruel | WaterPoison | 35 | 10% |
| Rod | Pokémon | Lv. | Morning & day | Night |
|---|---|---|---|---|
| Old Rod | Magikarp | 10 | 85% | 85% |
Tentacool | 10 | 15% | 15% | |
| Good Rod | Tentacool | 20 | 35% | 35% |
Magikarp | 20 | 35% | 35% | |
Chinchou | 20 | 20% | 20% | |
Shellder | 20 | 10% | 10% | |
| Super Rod | Chinchou | 40 | 40% | 40% |
Shellder | 40 | 30% | 30% | |
Tentacruel | 40 | 20% | 20% | |
Lanturn | 40 | 10% | 10% |
Chances are the game’s encounter slots for each time of day: morning 4:00–9:59, day 10:00–17:59, night 18:00–3:59 (grass and caves 30/30/20/10/5/4/1, surfing 60/30/10, Old Rod 70/15/15, Good Rod 35/35/20/10, Super Rod 40/30/20/10). Where Gold and Silver differ, a cell shows both (G and S); a version tag means the Pokémon only appears in that version here. Version exclusives · Where to find every Pokémon.
Trainers
| Trainer | Pokémon | Prize |
|---|---|---|
Swimmer♀Nicole | Marill 29 Marill 29 Lapras 32 | ₽160 |
Swimmer♀Lori | Starmie 32 Starmie 32 | ₽160 |
Swimmer♂Cameron | Marill 34 | ₽68 |
Prize money is the trainer class’s base payout times the level of the trainer’s last Pokémon. Trainers with phone rematches call you when they want another battle; their teams grow as you progress.
Items
No items to pick up here.
Tips
- The entrance to Blaine's Gym is on the Seafoam Islands along this route; look for the Cinnabar Gym sign outside.
- Simply entering Route 20 clears the rocks on Route 19, opening a sea route back to Fuchsia City.
- The Super Rod can hook Chinchou, Lanturn, Shellder and Tentacruel here.
- Swimmer Nicole has a level 32 Lapras, which takes reduced damage from both Water and Ice moves.
- Swimmer Lori has two level 32 Starmie, so Electric, Grass, Bug, Dark or Ghost moves are your best tools.
Walkthrough: Part 18: Cinnabar Island and Blaine
FAQ
Where is Blaine's Gym in Pokémon Gold and Silver?
Inside the Seafoam Islands on Route 20, because the eruption of Cinnabar's volcano destroyed his old Gym.
Where can you catch Lanturn in Kanto?
Fish on Route 20 or Route 21 with the Super Rod.
How do you open Route 19 from Route 20?
Just reaching Route 20 removes the boulders on Route 19, so you can Surf north to Fuchsia City.
What Pokémon can you catch in Route 20 in Gold and Silver?
6 species: Tentacool, Tentacruel, Magikarp, Chinchou, Shellder, Lanturn. Silver only: Magikarp, Tentacool, Chinchou, Shellder, Tentacruel, Lanturn.
Sources & picture credits
Guide text is original retrogameindex writing, checked against Bulbapedia and the game data. Wild Pokémon and encounter chances for both versions and all three times of day, fishing, Headbutt and Rock Smash tables, items, trainers, gifts, trades and shops come from the pret/pokegold decompilation (pret/pokegold ef0201d8da). Maps and sprites © Nintendo / Creatures / GAME FREAK, archived from the Bulbagarden Archives; the Johto and Kanto maps are drawn from the game’s own Pokégear graphics (listed on the image gallery).











