Welcome to Hive! It looks like you already found your first community! I haven't been camping in years, don't know if my old bones can take it anymore. That looks like one gorgeous place to be though.
Here are a few resources you might want to check out:
@theterminal is dedicated to helping new member orientation and connecting them to communities. Discord
@minnowsupport project and their Discord chat.
RE: Camping in Japan