
You can find the latest information on the ski resort, including basic information on Chateraise Ski Valley Koumi, recommended courses, weather forecasts, live cameras, course maps, slope information (average snowfall/course difficulty/ratio of groomed/ungroomed snow), and access information.
What is Chateraise Ski Valley Koumi (Nagano Prefecture) like?
The largest slope in the North Yatsugatake area, with a 2,500m long downhill slope that will leave you feeling satisfied

Chateraise Ski Valley Koumi, operated by Chateraise, is easily accessible, about two and a half hours from central Tokyo, and boasts a high rate of sunny days, making it a ski resort where you can casually enjoy skiing, snowboarding, and playing in the snow. You can also enjoy views of the Yatsugatake and Asama mountains from the slopes, and the majestic snow-capped mountains are definitely worth seeing.
There are also plenty of facilities for families with children, such as a dedicated sledding slope and an exciting park for little ones, and a great value family set ticket is also available.
There is also a resort hotel called Gateau Kingdom Koumi, which is directly connected to the ski resort, and we recommend enjoying some snow activities while you stay there.
Topics from the '25-26 season

Artificial snowfall ensures stable snow quality, maintaining optimal carving conditions!
Artificial snowfall keeps conditions stable throughout the season. There is a wide range of runs, from beginner runs perfect for those new to winter sports to runs perfect for advanced skiers to practice on. Almost the entire slope is packed with packed snow, and the main run, with its moderate slopes, is the perfect place for carving.

There is also a wide variety of food available. We recommend the teppanyaki steak cooked right in front of you!
The ski resort restaurant "Edelweiss" is popular for its steaks cooked right in front of you by the chef. They also have a wide selection of Chateraise cakes and ice cream, so you can enjoy dessert after your meal or during your break.
Recommended courses at Chateraise Ski Valley Koumi
・Eiger Course

Maximum gradient: 32 degrees, average gradient: 18 degrees / Distance: 780m / Slope orientation: East
This challenging course at Chateraise Ski Valley Koumi is a thrilling experience, with the slope reaching its steepest point in the first drop, just like riding a roller coaster. When it snows, you can also enjoy powder snow on this course.
・Rubber horn

Maximum gradient: 20 degrees, average gradient: 14 degrees / Distance: 700m / Slope orientation: -
The ski resort's main course, Rubber Horn, is an exhilarating course with a series of moderately steep slopes that is perfect for intermediate skiers to improve their level!
The long, single run is an attractive feature, and you can enjoy a wide-open ski run with a view of Mount Asama from the top of the course.
Recommended videos that help you visualize the course
course map

weather forecast
View detailed snow forecast for
Meihou snow-forecast.com
live camera
lift fee
| 1 day ticket | adult | Senior (60+) | Children (elementary and junior high school students) | Kids (preschoolers) |
|---|---|---|---|---|
| generally | 4,800 yen | 3,800 yen | 3,500 yen | 1,500 yen |
| half-day ticket (8:30~13:00, 10:00~14:00, 12:00~16:30) | 3,800 yen | 2,800 yen | 2,500 yen | 1,000 yen |
Slope information
·Basic information
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| Top altitude 1,780m | Longest run 2,500m | Elevation difference 380m | Maximum slope 32° |
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7 courses | 5 lifts | Gondola -base | ropeway - book |
・Monthly average snowfall
| December | January | February | March | April |
|---|---|---|---|---|
| 40cm | 80cm | 120cm | 80cm | -cm |
・Course level, percentage of uncompacted snow, compacted snow, and bumps (%)
Recommended information from ski resorts

Teppanyaki Angus beef steak @Edelweiss
The chef will grill the steak right in front of you. The restaurant also offers a wide range of dishes, from sauced pork cutlet rice bowls and omelet rice to large portions such as the "Koumi Slope Monster Plate."

Starry Sky Bath
In addition to the indoor baths where high-quality hot spring water flows lavishly, the open-air baths where you can relax and soothe your mind and body while gazing at the magnificent nature of Mt. Asama and Matsubara Lake Plateau during the day, and the night view of Saku Plain and the starry sky at night. A discount is available if you bring a one-day ticket on the day. (Adults 700 yen / Children 600 yen)
Information
Chateraise Ski
Valley Koumi 5907 Toyosato, Koumi-machi, Minamisaku-gun, Nagano Prefecture 384-1103












