Yatsushiro is very safe for solo female travelers. Japan is known for its low crime rate, due, in part, to its excellent law enforcement and respect for the law instilled in its people. As in any city, it is always important to remain vigilant, but for the most part, you should feel comfortable exploring the city's unique sites, parks, and restaurants all on your own. The locals are typically very helpful and respectful, particularly towards guests visiting their city. Public transportation system is also reliable and safe.