Tiamate
No exception, only my fear to tag a pokemonGo park. 
As a couch mapper I can confirm only grass: so I have mapped some buildings and driveways, and the landuse.
And let the note open for user with better or local knowledge.
.

By the way: 8 PokemonGo peaks
https://www.openstreetmap.org/node/4637264910
Same user: 95% of the pools are mapped as lakes:
https://www.openstreetmap.org/way/461231493
