Nobeoka is remarkably safe for solo female travelers. The crime rates are very low, both in terms of general crime and crimes targeted towards tourists. Furthermore, it's very uncommon to hear about instances of harassment. Despite the existing language barrier, the locals are often willing to go out of their way to assist non-Japanese speakers. Public transportation and extensive pedestrian facilities mean that navigating the city is straightforward. Although it's always crucial to maintain personal safety measures like avoiding poorly lit and secluded areas at night, Nobeoka is generally very safe for solo female travelers.