Tengendai Kogen: Some of Japan's Best Snow Quality, and No Live Camera

We rank all 397 Japanese ski areas by snow quality — a measure built from the temperature when it snows, how often it snows, how often it rains instead, and wind, with the amount of snow deliberately left out.

Here is the top of that list.

	Ski area		Temperature when it snows
1	Daisetsuzan Sounkyo Kurodake	Hokkaido	−11.0 °C
2	Asahidake	Hokkaido	−11.6 °C
3	Chisennupri	Hokkaido	−7.3 °C
4	Shiga Kogen Shibutoge	Gunma	−11.3 °C
5	Shiga Kogen Terakoya	Nagano	−9.8 °C
6	Togakushi	Nagano	−5.3 °C
7	Kawaba	Gunma	−7.2 °C
8	Shiga Kogen Yokoteyama	Nagano	−9.7 °C
9	Tengendai Kogen	Yamagata	−7.8 °C

Every one of the eight above it is in Hokkaido, the Nagano highlands or the Gunma mountains, which is what you would expect. Tengendai is on Honshu, 29 km in a straight line from a city of 294,000, and has eight places to stay.

What Tengendai is

Snow quality	9th of 397 in Japan
Temperature when it snows	−7.8 °C
Rain days	12% of winter days
Days over 5 cm	27% of winter
Snowfall	379 cm — 85th in Japan, =206th in the world
Elevation	1,114 – 1,860 m
Size	2.9 km across
Places to stay	8
To a city	29.4 km to Fukushima (population 294,000)

It is not a snowfall story. At 379 cm Tengendai is 85th in Japan — respectable, nowhere near the top. What puts it in the top ten is everything else: it snows cold, it rains rarely, and 27% of winter days deliver more than 5 cm.

The reason is 1,860 metres

Tengendai runs from 1,114 m to 1,860 m on the flank of the Azuma mountains.

Its base is higher than the summit of 246 of Japan’s 389 measured ski areas — 63% of them. The median Japanese ski area tops out at 941 m; Tengendai’s lifts start 173 m above that and climb another 746 m.

That is the whole explanation. Snow that falls at 1,500 m in northern Honshu falls cold and stays cold. The same weather 800 m lower produces the wet, heavy snow that makes the Yuzawa valley’s biggest snowfall figures misleading.

Rain reaches Tengendai on 12% of winter days. The Japanese median is 16%. In a country where rain falls on more than one winter day in four at the snowiest resorts, that difference is the whole trip.

There is no slope camera

Tengendai’s main site is a summer site; the winter operation lives on a separate address. On that winter site there is no live camera. There is a still photograph of the slopes with the date it was taken — updated daily, which is a real service, and not a live camera.

The two cameras near Tengendai are both on the roads in, run by the government’s regional highway offices. That is the normal state of affairs in Japan — only 128 of 397 Japanese ski areas show you their own snow.

For the snow itself, the daily photograph is the best view there is. What we can add is what falls there.

What to do with this

Go for the snow quality, not the quantity. If you have skied Japan before and come away thinking it was heavier than the photographs promised, you were probably low. Tengendai is the correction: less total snow, arriving much colder.

Eight places to stay means book early and plan food. One of them is a hot-spring inn 700 m from the lifts. This is not a resort with a village attached.

Fukushima city is 29 km away in a straight line, but across the mountains. The way in is from Yonezawa, which is on the Yamagata Shinkansen from Tokyo, and that makes Tengendai one of the more reachable places on the quality list — the top three are all in Hokkaido.

And check the road, not the slopes. The two cameras that exist point at the roads up. On a mountain whose base is at 1,114 m in northern Honshu, that is the more useful picture anyway.

How this was measured

Snow quality is our own index across all 397 Japanese ski areas: dryness (temperature on days snow falls) multiplied by frequency (share of days over 5 cm), with penalties for rain days and wind. Snowfall volume is deliberately not an input, which is why a ski area ranked 85th for snow can rank 9th here. Temperature is corrected to each ski area’s mid-elevation — for Tengendai, 1,487 m against a weather-model grid elevation of 1,548 m, a correction of 61 m.

Weights and thresholds in that index are our judgement, not physics. What the ranking can carry is that all 397 went through one identical calculation.

Snowfall is the twelve-winter mean from the ERA5 reanalysis and runs low in Japanese mountains; the 379 cm is a floor and the rank is the reliable part. Elevations are sampled from the ground across the ski area’s mapped footprint, not taken from resort publications. Accommodation is properties mapped within 12 km.

Sources: Open-Meteo historical weather data, based on the ERA5 reanalysis (Copernicus Climate Change Service).