Sea Route 20 — HeartGold Generations

Every wild Pokémon here, by encounter method.

Sea Route 20 lists 6 Pokémon across 7 encounter methods (surf, surf (swarm), old rod, good rod, and more), between level 10 and 40. Between them they cover 3 types: WaterPoisonElectric.

Sea Route 20 in the official games

The original game's table for this area:

Opens up at Beat the Elite Four and the Champion.

Surf Lv 30-35

	Pokémon	Types	Level	Rate
	Tentacool	WaterPoison	30-35	90%
	Tentacruel	WaterPoison	35	10%

Surf (swarm) Lv 35

	Pokémon	Types	Level
	Tentacool	WaterPoison	35

Old Rod Lv 10

	Pokémon	Types	Level	Rate
	Magikarp	Water	10	85%
	Tentacool	WaterPoison	10	15%

Good Rod Lv 20

	Pokémon	Types	Level	Rate
	Magikarp	Water	20	40%
	Tentacool	WaterPoison	20	30%
	Chinchou	WaterElectric	20	20%
	Shellder	Water	20	10%

Good Rod (swarm) Lv 20

	Pokémon	Types	Level
	Shellder	Water	20

Super Rod Lv 40

	Pokémon	Types	Level	Rate
	Chinchou	WaterElectric	40	40%
	Shellder	Water	40	30%
	Tentacruel	WaterPoison	40	20%
	Lanturn	WaterElectric	40	10%

Super Rod (swarm) Lv 40

	Pokémon	Types	Level
	Magikarp	Water	40

Trainers here

12 fights here, in story order. ★ marks a gym leader or major battle.

Open in the interactive guide