Weather summary
Now3°sunny4 km/hUpdated 07:05, 8 Nov
About
- base
- 1,390 m
- peak
- 2,000 m
- vertical
- 610 m
- lifts
- 8
- runs
- 11
- longest run
- 4.0 km
- day ticket
- ¥5,600
- season
- Nov – Apr
Character
- Onsen
Marunuma Kogen is a high-elevation resort near Tokyo known for excellent snow quality and groomed runs, drawing day-trippers and early/late-season riders. The tight tree spacing and minimal off-piste terrain make it best for cruising groomers rather than exploring sidecountry.
Nearby resorts
- Nikko Yumoto Onsen0 cm8 km away
- Katashina Kogen0 cm9 km away
- Snow Park Oze Tokura1 cm9 km away6 cmyesterday
How it rides
Sitting at 2,000m on the western slopes of Mt Shirane, Marunuma Kogen pulls reliable snow early and late in the season, making it a go-to for riders chasing freshies in November or May. The high elevation and northwest aspect keep snow quality solid, and the groomed runs are wide and well-maintained—ideal for laying down clean arcs. A modern gondola runs the full vertical, and the lift system is efficient, though weekend crowds from Tokyo can mean lines, especially during the shoulder seasons when the resort is busiest.
The terrain is straightforward: mostly intermediate cruisers with some beginner slopes and a handful of black runs, though the trail layout includes a few flat sections that interrupt top-to-bottom flow. Tree skiing is essentially off the table—the deciduous and evergreen forest grows dense and tight, with fences blocking entry to what little looks skiable. The peak above the resort is rocky, so no sneaking off the back either.
Marunuma Kogen works best as a day trip or part of a multi-resort loop through the Katashina area. The base has a small cafeteria, an onsen, and a kids' park, but nightlife is minimal. If you're chasing groomers and reliable snow without the crowds of bigger resorts, and you don't mind the drive from Tokyo, it's a solid choice—just don't expect tree riding or backcountry access.
- website
- marunuma.jp
- where
- Gunma, Japan
Questions about Marunuma Kogen
How much snow is coming to Marunuma Kogen?
0 cm in the 5-day forecast.
Will it snow or rain at Marunuma Kogen?
Snow to the base on Sun 8, Mon 9, Tue 10, Wed 11. Too warm at the base the other days. It depends on the freezing level: under 1,390 m, it snows all the way down.
When is Marunuma Kogen open?
The season usually runs from November to April.
How high is Marunuma Kogen?
The base is at 1,390 m and the top at 2,000 m. That is 610 m of vertical.
How many lifts and runs does Marunuma Kogen have?
8 lifts and 11 runs. The longest run is 4.0 km.
Where is Marunuma Kogen?
Marunuma Kogen is in Gunma, Japan.
Which resorts are close to Marunuma Kogen?
Nikko Yumoto Onsen (8 km), Katashina Kogen (9 km), Snow Park Oze Tokura (9 km). These are the closest resorts in a straight line.
How often is the forecast updated?
Every day. The weather summary shows when it was last updated, in the resort’s time.

