Mount Shirane

Mount Kusatsu-Shirane (草津白根山) is an active volcano located on the border of Gunma and Nagano prefectures in Japan. It is part of the Joshin’etsu Kogen National Park and is a popular destination for hikers and skiers.

Mount Kusatsu-Shirane has three peaks: Moto-Shirane, Ainomine, and Kagami-ike, with the highest peak being Ainomine at 2,171 meters. The mountain is known for its stunning views, with the summit offering panoramic views of the surrounding landscape, including Yugama crater lake, Mount Asama, and Mount Fuji on clear days.

During the winter months, Kusatsu International Ski Resort, located at the base of Mount Kusatsu-Shirane, is a popular ski resort. However, due to volcanic activity, some areas of the resort have been closed since the 2018 eruption. The mountain is famous for its snow monsters, or “juhyo,” which are trees covered in snow and ice, creating a unique and otherworldly landscape.

In addition to hiking and skiing, visitors to Mount Kusatsu-Shirane can also enjoy various other activities such as camping, hot spring bathing at nearby Kusatsu Onsen, and scenic drives. The mountain is also home to several species of plants and animals, including Japanese macaques, which can sometimes be seen in the area.

It is important to note that Mount Kusatsu-Shirane is an active volcano, and there have been several eruptions in recent history, including a 2018 eruption that resulted in one fatality and several injuries. Visitors should exercise caution and follow any safety guidelines in place. It is advised to check the latest volcanic activity information before visiting the area.

Getting there

By Bus

From Kusatsu Onsen Bus Terminal:

• One daily round trip bus service available
• Journey time: 30 minutes
• Cost: 1130 yen one way
• Note: Most regular bus services are currently suspended

By Car

• About 60 minutes drive from Jigokudani Monkey Park via Route 292
• Parking available at the Shirane Resthouse

Notes

• Access is limited from mid-April to early November due to heavy snow in winter
• The road to Mount Shirane is closed from mid-November to late April
• Hiking trails are accessible from the Shirane Resthouse near the summit
• Always check current volcanic activity warnings before visiting
• Some buses are covered by Japan Rail Pass and regional JR passes