Asia
Happo-One Resort Guide
Projected to open December 1, 2026
Best months to book: January, March, February · last season + 30-yr record
Scroll for happiness
Projected to open Dec 1
Weather data is still collected for informational purposes.
Last Snowfall
Oct 28
2d agoPast 24 Hours
0cm
Past 48 Hours
0cm
Past 10 Days
13cm
7-Day Forecast
0cm
Snow Depth
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Resort Guide
Happo-One is a prominent ski resort located in Hakuba Valley, Nagano Prefecture, Japan, renowned for its expansive slopes and panoramic views of the Northern Japanese Alps. The resort features a wide variety of terrain suitable for all levels, from gentle beginner runs to challenging expert courses, and is known for its reliable powder snow and long ski season. Key amenities include modern lift systems, ski and snowboard schools, rental services, and a vibrant base area with dining and accommodation options. Happo-One stands out for its role as a host venue during the 1998 Winter Olympics and its access to both on-piste and off-piste experiences.
Gallery
Click to expand • 8 total photos
Terrain & lifts
Resort-reported stats for Happo-One
Lifts
21
Skiable area
544 ac
Longest run
8 km / 5 mi
Lift fleet
- Gondola1
- High-speed quad5
- Triple chair4
- Double chair11
Resort Info
Season dates
Future dates are operator estimates and may change.
Ski passes
Access tiers change by season — confirm benefits on the pass operator's site.
Top Après Ski
The Rabbit Hole – A popular après-ski bar in Hakuba near Happo-One, The Rabbit Hole is renowned for its relaxed atmosphere, excellent craft beers, gourmet burgers, and live music, making it a favorite gathering spot for skiers and snowboarders to unwind after a day on the slopes.
Season vs Historic
Updated Fri, Oct 30, 10:04 PM UTC
13cm
Season Total
This Season to Date
+33%
vs 5-Year Avg
10cm avg by now
+166%
vs 30-Year Avg
5cm avg by now
10cm
5-Yr Avg by Now
This season is at 13.3 cm to date. The last completed season totaled ~13.3 cm. That's 33% above the 5-year average (10 cm). Versus the 30-year baseline: 166% above the 30-year average (5 cm).
Happo-One Season Snowfall
Loading the ledger…
Happo-One Snow History
Average annual snowfall is 746cm with an average of 98 snowfall days per season. The recent decade runs 64% above this average (1,220cm over the last ten tracked seasons). The table below shows monthly averages across 30 seasons of archive data (modeled snowpack at mid-elevation).
| Month | Avg Snowfall | Snowfall Days | Avg Base Depth | Max Base Depth | Biggest Snowfall |
|---|---|---|---|---|---|
| November | 56cm | 8 days | 7cm | 23cm | 12cm |
| December | 177cm | 21 days | 57cm | 106cm | 21cm |
| January | 204cm | 24 days | 139cm | 178cm | 23cm |
| February | 145cm | 19 days | 182cm | 206cm | 21cm |
| March | 113cm | 17 days | 195cm | 220cm | 20cm |
| April | 39cm | 7 days | 145cm | 192cm | 12cm |
| May | 4cm | 1 days | 31cm | 88cm | 5cm |
Source: SnowSure archive · Open-Meteo ERA5 reanalysis at mid-elevation. Depth is modeled, not resort-reported.
SnowSure Score by Month
Season 2025-26
—
No full season on record
37 days scored, from 20 Mar
37
Best Day
21 Mar
0
Excellent+ Days
Scored 50 or above
2
Powder Days
6cm+ fresh snow
Highest-scoring days
March 2026
- 3721 Mar3cm
- 3524 Mar1cm
- 3420 Mar
April 2026
- 348 Apr2cm
- 337 Apr3cm
- 322 Apr17cm
March scored highest for Happo-One in 2025-26. Based on 37 days the resort was verified open. One season of scores describes what happened, not what to expect.
Season at a Glance
Next season(2026-27)
Opens Dec 1, 2026
Through Apr 26, 2027
Multi-season averages will appear once SnowSure has tracked more than one full season.
Best Months to Visit
January
Peak Powder
February
Peak Powder
March
Good
December
Good
Note: Based on typical powder season patterns for this region.
Frequently asked questions about Happo-One
- Where is Happo-One?
- Happo-One is a ski resort in Japan.
- How high is Happo-One?
- Happo-One runs from a base elevation of 800 m (2,625 ft) to a summit of 1,831 m (6,007 ft), giving a vertical drop of 1,031 m (3,383 ft).
- How big is Happo-One?
- Happo-One has 544 acres (220 hectares) of skiable terrain, 16 marked runs and 21 lifts.
- Which ski pass covers Happo-One?
- Happo-One is on the Epic Pass. Access terms such as blackout dates and day limits vary by pass tier, so check the pass operator for the current season.
- When is ski season at Happo-One?
- Happo-One typically operates from December to April. Exact opening and closing dates shift each year with snowfall — check the resort's current season dates before booking.
- How much snow does Happo-One get in a typical season?
- Happo-One averages 460 inches / 1168 cm of snowfall in a typical season. Any individual season can run well above or below that.
