So, you’ve made it to Japan, and you’re ready to dive into one of the most quintessentially Japanese experiences: the onsen. Picture this—steaming hot water surrounded by stunning landscapes, whether it’s snow-capped mountains in winter or serene forests in the spring. But before you strip down and plunge into these natural hot springs, there are a few things you need to know. Onsen culture comes with its own set of rules and customs that might be unfamiliar to first-timers.