>>38439995Valdivia, Chile
It would work as the destination from a long swamp segment. Rains a lot and the island formed by the two rivers that converge in the outskirts of the city make for a big, rainy park. The city also features traditional fortifications dating from the time it was a Spanish colony and was defending itself from Dutch pirates.
A local food, HP recovery item would be the Kuchen (a fruity pastry) and its gym can be Grass or Water type.