Koumi Ri-Ex Ski Report

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Last Updated: December 17, 2025

Koumi Ri-Ex ski resort in Japan boasts a range of beginner to advanced ski trails, with the black diamond run "Diamond Dust" being a highlight for experienced skiers.


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°F

mph

Wind

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Humidity


Summary

Weather today, clear sky

Snowfall Next 24 Hours

0"

Snowfall Next 72 Hours

0"

Snowfall Next 5 Days

0"

Terrain Surface

NA

Powder Score

NA
       

Weather Forecast

Seasonal Comparison

Year over year snow water equivalent


Snow Water Equivalent (SWE) shows how much water the snow holds. This is ideal for year-to-year tracking of real snowfall and water resources. Measurements from .

Regional Snowpack Depth

Snow levels measured from


Snowpack depth measures how much snow has accumulated in the area. This is a key indicator of powder quality, trail coverage, and how epic your runs are going to be this season at Koumi Ri-Ex.

Historical Air Temperature

Temperature fluctuations at Koumi Ri-Ex


Recent air temperature fluctuations at Koumi Ri-Ex impact snow quality and stability, from powder to slush.

About the Area


Koumi-ri-ex Ski Resort is located in the Kiso Mountains in Nagano Prefecture, Japan. The surrounding area features several prominent mountain ranges, including the Akaishi Mountains to the southwest, the Central Alps to the north, and the Southern Alps to the south.

The resort itself is situated on Mount Koumi in the Kiso Mountains, offering skiers and snowboarders a variety of slopes and terrain to explore. The mountain features a vertical drop of around 350 meters and offers stunning views of the surrounding peaks.

Overall, the mountain ranges and aspects surrounding Koumi-ri-ex Ski Resort provide a beautiful backdrop for visitors to enjoy while they hit the slopes and take in the natural beauty of the Japanese Alps.

The resort is situated near Mount Asama, an active volcano, and has a unique hot springs area for post-ski relaxation. A great option for beginner skiers is the gentle "Ri-Ex Course" which provides stunning views of the surrounding mountain ranges. For an après ski drink, visitors can head to the charming local bar "Kobeya" which serves up delicious sake and snacks.

Lift Count

5 Lifts

Base Elevation

1400 Meters

Run Count

8 Trails

Top Elevation

1780 Meters

Koumi Ri-Ex FAQ


How much snow did Koumi Ri-Ex receive over the past day?

The ski area received " of new snowfall since yesterday.


What's the weather like at Koumi Ri-Ex today?

Weather today, clear sky


What are some ski resorts near Koumi Ri-Ex?

Pilatus Tateshina
Shirakaba 2 in 1
Shirakaba Resort
Chateraise
Shirakabako Royal Hill


What are ski area conditions in Japan like right now?

{u'ski_attitash': u'Cold mountain air greeted early risers at Attitash this morning, with overnight temps dipping to a brisk 15\xb0F \u2014 preserving a solid 11" base that matches seasonal averages perfectly. Skiers can expect packed powder conditions on groomed trails today, with light flurries possible; the 24-hour forecast calls for a modest 0.07" of snowfall, with a slightly higher accumulation of ... Read more