Anjo Onsen is a lesser-known hot spring area in Japan, and detailed information in English is limited. For many travelers, that usually points to a quieter, more local kind of onsen experience, where the appeal lies less in big-name sightseeing and more in the simple rhythm of bathing, resting, and spending time at an unhurried pace.
Because smaller onsen destinations can be harder to research in advance, it is worth checking current local sources before you go, especially for access, opening hours, and overnight options. If you tend to prefer understated places over famous resort towns, Anjo Onsen may be the sort of stop that feels most rewarding when approached with flexible plans and a bit of curiosity.