Nagano > Suwa, Tateshina, Yatsugatake > Observatory Obsidian Origin Ruins (Hoshikuso Toge Kokuyouseki Gensanchi Iseki)
Observatory Obsidian Origin Ruins (Hoshikuso Toge Kokuyouseki Gensanchi Iseki)
Observatory Obsidian Origin Ruins (Hoshikuso Toge Kokuyouseki Gensanchi Iseki)