|South Exit: Route 110
New Mauville is a hidden power plant located underneath Route 110. This power plant is filled with Electric-type Pokémon and is accessed when Wattson requires you to deactivate the generator within it.
EvolutionFlyable to?: Yes
If you level up a Nosepass or a Magneton within New Mauville, they will be able to evolve into Probopass or Magnezone respectively.