Here is a 50-100 word summary of Mount Jeans (マウントジーンズスキーリゾート那須): Mount Jeans Nasu is a ski resort located in Nasu, Tochigi Prefecture, Japan. It offers 5.9 km of slopes for skiing and snowboarding, with a 1,846m gondola lift and 4 other lifts. The resort is known for its scenic views of the Nasu Mountains and surrounding daffodils. The summit offers a natural observatory and a cafe. The resort is open from December to March and is easily accessible by car from Tokyo. It's a popular destination for families and beginners, with a kids' area and dog run.