Johto Route 31

Route 31 (Japanese: ３１ばんどうろ Route 31) is a route in central Johto, connecting and Violet City. The western entrance to Dark Cave is located on the eastern part of the route.

Route description
This route is the third route that Trainers starting in New Bark Town will arrive at. Like, Route 31 contains more than an even share of ledges that players need to go around to get to Violet City, but may jump over on their way back. A small pond is north of the route, just west of Dark Cave. Featuring few Trainers and a small area, all that a traveling Trainer really has to look out for on this route are the wild Pokémon.

There is a man who seems to be in a sleep-like state that is located next to the pond. He doesn't actually do anything when first encountered, but will be useful later on in the game. At the gate on leading from Goldenrod, there is a guard who will give the player a  with Mail attached to deliver to this man. However, at least in Generation IV, any Pokémon holding the mail will suffice, and he won't keep a Pokémon he "doesn't know". After he receives the mail, the man will give the player as a reward - in Generation IV, the prize has become .

Walking Pokémon effects
When interacting with walking Pokémon in, the Pokémon may occasionally show an altered mood specific to this location.
 * blows out a fireball and a couple of fireballs.

Route 31 (Johto) Ruta 31 Route 31 Percorso 31 (Johto) 31ばんどうろ (ジョウト地方) ３１号道路（城都）