Mount Iizuna

, also known as , is a mountain located ten kilometers north-northwest of the heart of Nagano, Nagano Prefecture, Japan. Together with 1875.0 m, 1748 m, and others, it forms the Iizuna range. It has an elevation of 1,917 metres. It is one of the "Five Mountains of Northern Shinshu" () that includes: Mount Myōkō (), Mount Kurohime (), Mount Togakushi () and Mount Madarao ().
This mountain is a sacred site for mountain-based religious sects such as Shugendo, and said to be the home of a "tengu" named Saburō. According to legend, there was once a strange, edible sand somewhere on the mountain, which the "tengu" would distribute in times of poor harvest. 
The mountain is also a popular area for skiing and is where the bobsleigh and luge track for the 1998 Winter Olympics is located.