, also known as , is a mountain in the southeastern area of Toyama Prefecture, Japan. It is designated as one of the 100 Famous Japanese Mountains.
Mount Suisho is the highest mountain in the Toyama and Kurobe River area. It is the 23rd highest mountain in Japan.
It is named "Mount Suisho" (crystal mountain) after the large crystals that have come from the mountain. As the mountain looks black, it is also named "Mount Kuro" or "Black Mountain".