Oze Iwakura
ホワイトワールド尾瀬岩鞍36°49′ N 139°13′ E659 m vertical16 runs13.9 kmNight ridingSeasonal
Oze Iwakura suits families and carvers who want a big, varied mountain with a hotel at the slopes, and it stays a long drive or bus ride from any Shinkansen station.
Photo Ski Mania · Wikimedia Commons · CC0 and others, credited in the gallery
- Beginner2.5 km
- Intermediate7.8 km
- Advanced3.6 km
Figures the resort does not publish are measured from the map data.
OpenStreetMap maps 15 named runs and 12 lifts at Oze Iwakura, and the guide measures each one against the elevation model.
Open the 3D map ↓Fly the mountain in 3D立体地図
Ride every run at Oze Iwakuraコース
| Avg | Faces | Map | |||||
|---|---|---|---|---|---|---|---|
| ファミリーコース | 964 m | 161 m | 14.9° | 9.4° | SE | ||
| ロマンスコースNight | 949 m | 160 m | 13.8° | 9.4° | E | ||
| ミルキーウェイNotes | 2,933 m | 569 m | 23.5° | 11° | SE | ||
| チャンピオンAコース | 1,170 m | 316 m | 21.7° | 15.1° | E | ||
| ななかまどコース | 1,056 m | 288 m | 20.4° | 15.2° | W | ||
| 国体女子コース(沢) | 802 m | 263 m | 23.3° | 18.1° | E | ||
| チャンピオンBコースTrees | 581 m | 196 m | 26.7° | 18.7° | NE | ||
| エキスパートコース下 | 453 m | 132 m | 20.7° | 16.2° | E | ||
| しらかばコース | 578 m | 106 m | 15.6° | 10.4° | W | ||
| 連絡通路 | 273 m | 24 m | 9.2° | 5° | NE | ||
| 国体男子コースTreesNotes | 1,121 m | 419 m | 25.1° | 20.3° | SE | ||
| リーゼンコースTrees | 608 m | 262 m | 29.2° | 23.3° | E | ||
| ぶなの木コースTrees | 686 m | 232 m | 24.2° | 18.4° | SW | ||
| 国体女子コース(西山) | 757 m | 209 m | 21.4° | 15.4° | SW | ||
| エキスパートコース上TreesNotes | 405 m | 196 m | 33.6° | 25.7° | NE |
Lengths, vertical, pitch and aspect are measured from OpenStreetMap run lines and the elevation model. Steepest is the hardest 60 m pitch. Read them as a guide and follow the signs on the hill.
Out of five
How it rides
- Powder
- 3 out of 5
- Trees
- 1 out of 5
- Steeps
- 4 out of 5
- Park
- 2 out of 5
- Beginners
- 4 out of 5
- Quiet
- 3 out of 5
- Value
- 4 out of 5
- Après
- 3 out of 5
- Family
- 4 out of 5
- Sidecountry
- 1 out of 5
Beyond the ropes · Marked runs only
Oze Iwakura bans riding off its courses and charges by the hour for any search or rescue from the closed areas, whatever the reason or the result.
- Riding off the marked courses is prohibited, and the area outside them lies beyond the resort's rescue cover
- Rescue charges per hour: ¥20,000 for each patroller, ¥5,000 for each base staff member, ¥10,000 for each snowmobile, ¥50,000 for each snowcat and ¥10,000 for each support worker, plus other costs
- The charges go to the person rescued and those who asked for the rescue
12 lifts on the map
Know the liftsリフト
Season 2026/27
Buy the right ticket
- Adult day
- ¥6,700, about CAD 60 or USD 42 (October 2026 rates)
- Early and late season
- ¥6,000, about CAD 54 or USD 38 (October 2026 rates)
- Bought online
- ¥6,500, about CAD 58 or USD 41 (October 2026 rates)
- Night
- ¥2,500, about CAD 22 or USD 16 (October 2026 rates)
Special-price days cost ¥7,200 at the window and ¥7,000 online. High school and junior high pupils pay ¥5,700 at weekends, elementary pupils ¥4,700 and seniors from 60 ¥6,200. Every IC ticket needs a ¥500 deposit, and preschoolers ride free on a deposit card. The 10-hour ticket costs ¥13,000 and is sold only online. Kawaba, Marunuma Kogen, Hodaigi, Oze Iwakura and Oguna Hotaka share the POWDER5 Gunma hour tickets: ¥16,500 for 10 hours and ¥30,000 for 20 from December 2026, or ¥13,500 and ¥25,000 as early-bird web tickets until 30 November 2026.
Get thereアクセス
From Tokyo Station
- Drive
- About 2 hours 30 minutes from Tokyo, by the resort's figure.
- Bus
- A highway bus runs from Busta Shinjuku to Michi-no-eki Oze Katashina, and the resort's free bus carries riders on from there.
Day visitors park in car park 2 for about 900 cars, with a shuttle to the slopes from 8:00 to 16:30. Weekend parking costs ¥1,000 and is free from 15 March and after 14:00.
Oze Iwakura calls itself one of the biggest ski areas in the Kanto region. Its 16 courses run off a gondola and ten chairs in Katashina village, and the top sits at 1,703 m. The longest run is 3.2 km. Several courses carry the name of the Kokutai, Japan's national sports festival, and the resort hosts races on them.
The Expert course drops at 40 degrees from the top and stays ungroomed, and the men's Kokutai course runs 1,800 m at up to 29 degrees. Families get the Family and Romance courses and a netted kids' area with a nursery. Night riding runs to 20:00 on 11 dates between New Year's Eve and late February.
A weekend day costs ¥6,700 at the window and ¥6,500 online for 2026/27, and the season runs from 12 December 2026 to 4 April 2027. Riding off the courses is banned. The resort publishes an hourly rescue tariff that starts at ¥20,000 for each patroller.
Worth knowing
- Buy online before you go, because every web price runs ¥200 under the window.
- Fill the car with four or more people and weekend parking is free.
- Ride the ungroomed Kokutai men's course in the morning before the crowds chop it up.

Quick answers about Oze Iwakuraよくある質問
How big is Oze Iwakura?
Oze Iwakura has 16 runs and 11 lifts over 659 m of vertical, from 1,044 m at the base to 1,703 m at the top. OpenStreetMap maps 13.9 km of piste there.
How steep is Oze Iwakura?
The steepest mapped pitch at Oze Iwakura is about 33.6° over 60 m. We measure it from OpenStreetMap's run lines and the elevation model. Its advanced and expert runs add up to 3.6 km of the mapped total.
Can you ride off-piste at Oze Iwakura?
Oze Iwakura bans riding off its courses and charges by the hour for any search or rescue from the closed areas, whatever the reason or the result.
How much is a lift ticket at Oze Iwakura?
An adult day ticket at Oze Iwakura costs ¥6,700, about CAD 60 or USD 42 (October 2026 rates) in the 2026/27 main season and ¥6,000, about CAD 54 or USD 38 (October 2026 rates) early or late in the season.
How do you get to Oze Iwakura from Tokyo Station?
Oze Iwakura is about 2 hours 30 minutes from Tokyo, by the resort's figure by car from Tokyo Station. By bus: A highway bus runs from Busta Shinjuku to Michi-no-eki Oze Katashina, and the resort's free bus carries riders on from there.
When is the season at Oze Iwakura?
Oze Iwakura usually opens 12 December 2026 and closes 4 April 2027. The deepest, most reliable snow comes special-price days from 29 December 2026 to 2 January 2027 and on Saturdays from 9 January to 27 February.
Within 25 km
Places to stay nearby宿
Within 30 km
Hot springs nearby温泉
Within 35 km
Towns and neighbourhoods nearby町
Within 80 km











