Navigating Through Oshu’s Train Stations. Oshu boasts several significant train stations, each acting as a crucial conduit to various national and regional locations. The principal hub, Mizusawaesashi Station, offers comprehensive services, including high-speed Shinkansen routes connecting to major cities. Other important stations like Mizusawa Station cater to regional lines, while Esashi Station serves local routes. All stations are equipped with modern facilities to assist travelers, including tourist information centers.