Gotsu (江津) is a city in Shimane prefecture.
Gotsu an express stop along the Sanin Railway that runs up and down the coast of Shimane. You can catch a train from Matsue City (accessible by bus or train from Osaka and Tokyo), or Yamaguchi City along the bullet train line. From Yamaguchi you can switch train to the Super Express Yakumo.
Another option is to take the bus from Hiroshima Station or Osaka Station to Hamada City. From there, you can take the local train up to Gotsu (taking roughly 30 minutes).
Finally, you can drive along the Chugoku and Hamada Expressway--the most direct route from Hiroshima City, taking roughly 2 hours.
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