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This place is located far away from the Unova region. Therefore, it does not appear on the Town Map or in the Habitat List, and the player cannot use Fly to leave the area.
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.
Special encounters
A ShinyHaxorus appears here on the first visit. If defeated or run from, it respawns after entering the Hall of Fame.
The Nature Preserve shares some similarity to the Sinjoh Ruins. They're both located outside the regions of their respective games, and their exact locations are unknown. The Nature Preserve is located somewhere far from Unova, while Sinjoh Ruins are located somewhere far north of Johto. However, unlike Sinjoh Ruins, where it is at least known to be somewhere north of Johto, it is unknown whether the Nature Preserve lies far north, south, east, or west of Unova.