Sand dunes at Sanin-kaigan National Park (Tottori prefecture, Japan): photo, Japanese, link, map...

Surprising landscape on a trip around Japan: 砂丘 (sakyu, sand dunes) at 山陰海岸国立公園 (Sanin-kaigan National Park) in 鳥取県 (Tottori prefecture). Photo on the left taken by Sébastien Duval on 03 March 2013.

Do you know a surprising natural spot in Japan besides Tottori dunes? Where is it? (name, location, reason, and link welcome...)

Official page of Sanin-kaigan National Park by the Japanese Ministry of the Environment (Japanese only):
http://www.env.go.jp/park/sanin

Message for the staff of the Japanese Ministry of the Environment:

Please, describe the Japanese national parks in English on your Website; foreign tourists, researchers, businessmen... should better know and understand the beauty and diversity of Japan's nature!

Location of Tottori dunes:
[Google map] http://goo.gl/maps/xkJFF