The Daisekkei snow valley remains snow-covered throughout the entire year, despite the high summer temperatures.
The mountain's name is derived from the appearance of a horse-shaped snow pattern that emerges on the mountain face as the snow melts in spring.
It is one of the peaks included in the list of the 100 Famous Japanese Mountains.
The high-altitude environment supports rare alpine plant species, including the endemic Shirouma-asotsuki.
The summit ridge acts as the border between Nagano and Toyama prefectures.
The Daisekkei route is considered one of the most significant glacial valleys in Japan.
Mount Shirouma is a prominent peak in the Hida Mountains of the Northern Japanese Alps, rising to an elevation of 2,932 meters. It is distinguished by the Daisekkei, one of Japan's largest perennial snow valleys, which allows for snow trekking even during the summer months. The mountain serves as a primary hub for multi-day hiking expeditions across the Ushiro-Tateyama mountain range. Several alpine mountain huts provide essential lodging and support for climbers traversing the ridgelines. The geology features diverse alpine flora, particularly vibrant during the peak blooming season from July to August. Hikers often encounter steep, rocky terrain that demands technical mountain gear and stamina. The peak offers expansive panoramic views overlooking the Hakuba valley and the neighboring peaks of the Northern Alps.
The summit peak marker looking toward the ridgeline of the Northern Alps or the view looking down into the Daisekkei.
Carry crampons and an ice axe if traveling through the Daisekkei, as snow and ice conditions persist year-round.
Check local weather reports at mountain huts before departing, as conditions at high altitude change rapidly.
Ensure your footwear is rigid-soled and broken-in, as the rocky trails are demanding on the feet.
Attempting the ascent without adequate high-altitude hiking experience or proper gear, and underestimating the physical exertion required for steep rocky segments.
Mountain trails and huts are typically inaccessible during the heavy winter snow season, generally closing from late October until late June or early July.
Carry out all trash, stay strictly on marked paths to protect alpine flora, and yield the right of way to hikers ascending the trail.
