Mount Tengu, Mountain summit in Nagano Prefecture, Japan.
Mount Tengu has two separate peaks: Nishi Tengu reaches 2,646 meters (8,681 feet) and Higashi Tengu reaches 2,640 meters (8,661 feet) above sea level. The two summits stand close together within a volcanic mountain group in central Japan.
The mountain was shaped by volcanic activity as part of the Northern Yatsugatake Volcanic Group over many centuries. These geological processes created the stratovolcano structure we see today.
The name comes from Japanese mythology, where Tengu creatures are supernatural mountain beings with bird-like features. These legendary figures still shape how locals and visitors understand the landscape today.
Multiple hiking trails lead to the mountain, starting from places like Oku-Tateshina Onsen Village at Shibunoyu or from the western side near Karasawa. A year-round mountain shelter sits between the two peaks, offering a stopping point for hikers crossing the area.
A mountain shelter called Kuroyuri Hutte sits at roughly 2,400 meters (7,875 feet) between the two peaks and remains open throughout the year. This year-round availability lets hikers rest safely even during quieter seasons.
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