Chubu, Japan
Ryuoo
1,080m vertical, 166-person ropeway, tree-run zones. Quiet powder near Yudanaka Onsen, Nagano Prefecture.
Season 2025-2026
Opens
5 Dec 2025
Closes
29 Mar 2026
Days open
114
Annual snow
10m
The Overview
Michael Fulton
Melbourne-based skier and snowboarder with 50+ resorts across 5 continents. Specialises in Australian resorts and international resort comparisons.
Ryuoo operates across 1,080 vertical metres between 850 and 1,930 metres elevation, with 12 runs distributed as 35 per cent beginner, 40 per cent intermediate and 25 per cent advanced terrain across 25 hectares. The resort averages 10 metres of annual snowfall and operates from early December through late March. The 2025-2026 season introduced a new tree-run area alongside the Kiotoshi Bowl course, featuring gradients up to 36 degrees and 1,400-metre ungroomed descents through natural terrain. Ryuoo sits within the Kita-Shiga Kogen grouping but operates independently from the larger Shiga Kogen resort system 45 to 50 minutes away.
The ski area divides into three vertical zones: the Skyland Area at the base with wide beginner slopes, the mid-mountain Valley Area with intermediate cruisers, and the upper Kiotoshi Bowl with advanced powder terrain. The longest run extends six kilometres from summit to base, whilst the signature Kiotoshi Bowl course drops through north-facing terrain holding deep snow for days after storms. The new tree-run zones require helmets and attract experienced riders seeking untracked powder between the timber. Beginner terrain concentrates near the base, though novices can ride the ropeway and descend via gentle summit runs.
Ryuoo remains largely unknown to international visitors, drawing mostly Japanese day-trippers and Tokyo university students who create a youthful, snowboard-focused atmosphere. The upper mountain stays quiet even on weekends when base areas crowd with beginners. The Sora Terrace at 1,770 metres offers cafe service and views across the Northern Alps, with cloud-sea phenomena visible on 63.5 per cent of operating days. Night skiing extends hours on lower lifts during peak season.
Ryuoo operates as a standalone resort without pass connections to neighbouring areas, though its proximity to Yudanaka and Shibu Onsen hot spring villages makes it suitable for powder-and-soak combinations. The December through March season targets intermediate riders ready for steeper terrain and families wanting beginner-friendly bases with vertical relief. Limited English signage and services mean the resort suits travellers comfortable navigating Japanese ski culture without significant Western infrastructure.
1080m
Vertical
12
Runs
62 acres
Skiable
10m
Annual snow
The Terrain
12 runs across 62 acres skiable
Ryuoo spreads 12 runs across 62 acres skiable of terrain. It leans intermediate at 40%, with 4 beginner runs to find your feet and 3 advanced or expert runs when you want to push.
Terrain split
12
runs
12 runs across 4 grades
Beginner4 runs · 35%
Intermediate5 runs · 40%
Advanced3 runs · 25%
Expert0 runs · 0%
Time it right
When to visit Ryuoo
The 2025-2026 season runs from 5 December 2025 through 29 March 2026, a 115-day window typical for Kita-Shiga Kogen resorts. Operating dates depend on early-season snowfall, with the resort occasionally opening late November in heavy snow years. Spring operations typically extend into early April during strong snow seasons, though March closures are standard. Daily lift operations run 8:00 to 17:00, with night skiing offered on select lower lifts during peak periods.
Ryuoo receives 10 metres of average annual snowfall, with its 1,930-metre summit elevation ensuring reliable powder accumulation throughout winter. The north-facing upper mountain holds snow quality better than south-facing sectors at equivalent elevations across Nagano Prefecture. Snowmaking coverage details remain unverified, though the high-elevation base at 850 metres provides natural reliability exceeding lower resorts. Base depth consistency through March allows full-mountain operations into spring.
January through February delivers peak powder conditions, with the coldest temperatures and driest snow thanks to prevailing weather systems crossing the Sea of Japan. Early December and late March offer quieter slopes and discounted lift tickets during shoulder periods, though cover can be variable in warm years. Weekdays see significantly lighter crowds than weekends, when Tokyo day-trippers arrive via the Nagano Dentetsu railway. February typically produces the deepest single-storm accumulations.
The resort does not host major competitive events but offers daily free snowboard lessons and helmet rentals for beginners throughout the season. The Sora Terrace operates year-round outside ski season, with summer ropeway access from May through November for cloud-sea viewing. Night skiing schedules vary by season and are not published far in advance, requiring day-of confirmation. No significant festivals or cultural programming distinguish Ryuoo from other Kita-Shiga resorts during winter months.
Season 2025-2026
5 Dec 2025
Opens
29 Mar 2026
Closes
114
Days open
10 m
Annual snow
Getting there
Getting to Ryuoo, and where to stay
Ryuoo occupies the slopes of Mount Ryuoo in the Kita-Shiga Kogen area, Yamanouchi municipality, northern Nagano Prefecture on Honshu Island. The base sits at 850 metres in the Yomase valley, with Yudanaka Onsen 10 kilometres downhill and the larger Shiga Kogen resort 45 minutes south by road. The resort sits between the more internationally known Nozawa Onsen to the north and the expansive Shiga Kogen complex, remaining largely off foreign skier itineraries. The Northern Alps dominate western views from upper mountain positions.
Yudanaka Station on the Nagano Dentetsu railway provides the primary public transport gateway, lying 25 minutes from the resort by free shuttle bus. Yudanaka Onsen and Shibu Onsen hot spring villages offer traditional ryokan accommodation within 10 to 12 kilometres of the slopes, with over 1,300 years of bathing history at Shibu. Nagano City, the prefectural capital 37 kilometres southwest, connects via the Nagano Dentetsu line in approximately 45 minutes. The famous Jigokudani snow monkey park sits roughly 15 kilometres from the resort base.
Nakano interchange on the Joshinetsu Expressway lies 30 minutes from Ryuoo via Route 403, providing direct motorway access from Tokyo in three to 3.5 hours under normal conditions. The expressway connects to the Kanetsu Expressway at Fujioka Junction for routes from the Kanto region. Snow tyres are mandatory during winter months, with chains required during heavy storms. Weekend mornings see increased traffic on access roads when Tokyo-based skiers depart simultaneously for powder days.
Matsumoto Airport, 77 kilometres southwest, offers limited domestic flights but sits 90-plus minutes away by road. Tokyo's Haneda Airport lies 264 kilometres distant, approximately three hours by car or 2.5 to three hours via Hokuriku Shinkansen to Nagano Station plus local train to Yudanaka. The Hokuriku Shinkansen covers Tokyo to Nagano in 80 to 90 minutes, with Nagano Dentetsu limited express trains requiring an additional 50 minutes to Yudanaka. Free shuttle buses link Yudanaka Station to the resort throughout winter, operating hourly during peak periods.
Where to stay
Search all stays →Hotels and lodges near Ryuoo, powered by Stay22.
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Current conditions
Snow Report
Awaiting live data
1930m
summit
+0cm
new snow · last 24 hours
-°C / -°C · - -
Snowfall
24 hours
0cm
48 hours
0cm
7 days
0cm
Base depth
-
Season total
-
Total lifts8
Live open status isn’t available right now.
5 Dec 2025 - 29 Mar 2026
Hour by Hour
Next 40 hours· Updated Aug 25, 2026 at 5:02 PM
Scroll for the full outlook · Open-Meteo
7-Day Outlook
1,930 mUpdated Aug 25, 2026 at 5:02 PMOpen-Meteo
Days 1–7
0.0cm
Days 8–14
0.0cm
Wed, Aug 26
Overcast
Temp20° / 14°°C
Snow0.0cm(43%)
Wind7 km/h SW
Live snow from the resort feed; forecast from Open-Meteo, via Supabase.
Understanding the Ryuoo snow report
See what's happening on the mountain at Ryuoo right now — snowfall, snow depth, and weather data to help you plan your day in Chubu.
Snow measurements
Base depth, summit depth, and recent snowfall are the core numbers to watch. At Ryuoo, summit conditions (1930m) can differ noticeably from the base, so we break both out separately rather than showing a single average.
Weather conditions
Snow quality tracks closely with temperature and wind. We surface both alongside the snowfall data so you can judge whether conditions at Ryuoo are holding up or starting to soften.
Data sources
Snowfall and depth figures for Ryuoo come from official mountain sources; weather and outlook data comes from independent forecasting services. The mountain is served by 8 lifts, including an aerial tram and 2 quad chairlifts.
When to check
Snow reports are typically updated early morning and late afternoon. For the most current conditions, check back regularly, especially if a winter storm is approaching.