The oil-filled tail functions as a buoy, so it's fine even in rivers with strong currents.
Hydrated yellow tall grass
Yellow tall grass resting by the water. A nice spot for Pokémon after they're done swimming.
Dock
A cozy little dock on the beach. Swimming Pokémon might stop by now and then.
#001
Bulbasaur
#002
Ivysaur
#003
Venusaur
#004
Charmander
#005
Charmeleon