Onogawa Onsen is a compact ski area in Yamagata Prefecture, sitting just outside Yonezawa City. With one pair lift and a single run, it's built for beginners and families rather than terrain variety or all-day exploration. The terrain is 60% beginner and 40% intermediate, with a gentle pitch that keeps things mellow and forgiving.<br><br>The area operates mainly on weekends and holidays, typically from 9am to 4pm (extending to 4:30pm in late season). Weekday access requires a private reservation, which starts at ¥50,000 and can be a good option for groups or lessons. There's a sledging area for kids and equipment rental on-site, but no formal ski school. The traditional human curling event each February adds a quirky local flavor.<br><br>This is a straightforward neighborhood hill — useful for a quick session or introducing someone to the sport, but not a destination in itself. The single run and limited terrain mean you'll lap the lift repeatedly, and the weekday closure policy means planning ahead is essential.