Here is a 50-100 word summary of Shizuokashi Ribaweruikawa (リバウェル井川スキー場): Shizuokashi Ribaweruikawa is a ski resort located in Shizuoka Prefecture, Japan. It has a 300m ski run and is accessible by car via Prefecture Road 27. The resort is open from late December to mid-March, with operating hours from 8:30am to 4:00pm. The area is known for its remote location, with some reviewers noting that the access roads can be challenging. The resort offers a range of amenities, including a restaurant, and is a popular destination for skiers and snowboarders in the region.