Mt. Omeshidake
Mount Omeshidake (Omeshi-dake), also known locally as Mount Takai (Takai-yama), or Ogushi, stands at an elevation of 2,160 meters, straddling the border between Takayama Village in Nagano Prefecture's Kamitakai District and Tsumagoi Village in Gunma Prefecture's Agatsuma District. Positioned between Mount Azumaya to the south and Mount Yokote to the north, it is the highest peak in the region. Despite its prominence, Mount Omeshidake remains relatively unknown to many hikers and attracts few visitors.
The origin of the mountain's name is said to be because it resembles a mound of rice when viewed from the direction of Nakano City.
Historically, the slopes of Mount Omeshidake were the site of vigorous mining activities. Particularly, trails to the Kogushi mine on the west and paths towards Manza on the north were developed. The southern slopes around Kenashi Pass were once prolific sulfur mining sites, especially active from the Taisho to the Showa era. However, the mines have since closed, and acid water leaking from the abandoned mines has acidified downstream rivers, making them uninhabitable for fish. Restoration efforts are gradually reviving the greenery, but full recovery is expected to take more time.
As for hiking, while the northern and western flanks of the mountain are accessible by roads, clear hiking trails are scarce. The main route involves a round trip along the ridge starting from Kenashi Pass, taking about 2 hours and 20 minutes to reach the summit and approximately 1 hour and 20 minutes to descend.
*Before heading out on a hike, make sure to stay updated with the latest information on trails and other important details.