Kusatsu Kokusai Ski Resort (草津国際スキー場, Kusatsu Kokusai Skījō) is located on the slopes of Mount Shirane above the town of Kusatsu Onsen. The resort is not far from Kusatsu's famous hot spring baths, where it is popular to take a long hot soak after a day of hitting the slopes.
Following an unexpected volcanic eruption in January 2018, the upper part of the ski resort, including its main ropeway had to be closed, but the resort continues to offer multiple lifts and runs on its lower section. In the summer, the resort offers various outdoor activities, such as mini golf, grass cart and mountain boarding.
An hourly, free shuttle bus runs between the Kusatsu Onsen Bus Terminal and the ski resort (5 minutes one way). Alternatively, the resort is a 15-20 minute walk from central Kusatsu.