We can get to there in about 10 minutes bus or streetcar ride from JR Kumamoto Station. The one-way fare is 150 yen.We can also get to there in about 40 minutes the airport shuttle bus ride from Kumamoto Airport. The one-way fare is 730 yen.We can also use cars. There is a lot of parking just next to the castle. But we must pay 200 yen for two hours.