Koshi Kogen Ski Area is a ski area in 長岡市, Niigata, Japan. The terrain spans roughly 282–401 m above sea level. There is no settled snow at the moment — the season has not started here yet. 1 official live camera is linked below. 130 other ski areas lie within 120 km. Snow figures and the Powder Score are recalculated every day.
Elevation range is estimated by sampling points across the ski area.
Score breakdown
Powder Score v1.0.0
7-day outlook
| Date | Snow | Temp | Wind |
|---|---|---|---|
| 🌦️ 11 Aug | 0 | 18.1 / 23.3 | 9.2 |
| 🌦️ 12 Aug | 0 | 20.9 / 29.6 | 16.2 |
| 🌦️ 13 Aug | 0 | 21 / 30.2 | 6.5 |
| ⛈️ 14 Aug | 0 | 19.5 / 29.3 | 8.8 |
| 🌦️ 15 Aug | 0 | 19.2 / 29.2 | 9.6 |
| 🌦️ 16 Aug | 0 | 17.4 / 28.1 | 17.5 |
| 🌤️ 17 Aug | 0 | 19.1 / 29.2 | 13.1 |
🎥 Live Cameras
Road conditions decide whether you can get there at all. Check before you leave.
Footage remains the copyright of each operator. JAPANSNOWLINE neither stores nor redistributes it.
🗺️ Location
Where it sits relative to nearby resorts. For a piste map, see the official site.
Official piste map ↗Nearby resorts
- Nagaoka City Ski Area 11km 8
- Suhara Ski Area 11km 10
- Koide Ski Area 12km 10
- Yakushi Ski Area 13km 10
- Hakkai Sanroku Ski Area 19km 10
- Itsukamachi Ski Area 21km 10
🏨 Where to Stay
7 places to stay within 12 km of the slopes.
Nearest: 5.4 km
Closest places
- 花の宿 よもやま舘 Hotel 5.4 km
- えちご川口温泉 Hotel 5.5 km
- 山古志の宿 あまやちの湯 Hotel 5.8 km
- 川岸屋 Guest house 6.4 km
- 中島屋 Guest house 6.5 km
- プラザ片山 Hotel 7.6 km
Check availability and prices
Booking happens on the partner site — JAPANSNOWLINE does not take reservations.
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Accommodation data: OpenStreetMap
Updated: 10 Aug 2026, 16:28