This is a route in western Kanto, connecting Viridian City and Pewter City. Viridian Forest and the western entrance to Diglett's Cave are located on this route. Trainers who have captured at least 5 pokemon can receive HM05 (Flash) from one of Prof. Oak's Aides on this route. Trainers may also obtain a Mr. Mime by trading an Abra to an NPC.
- HM05: Flash (Normal)