Skip to main content
Happo-One ski resort

Asia

Happo-One Resort Guide

Closed for the season

Best months to book: January, March, February · last season + 30-yr record

Closed for the season closed April 26

Weather data is still collected for informational purposes.

Last Snowfall

--

Past 24 Hours

0cm

Past 48 Hours

0cm

Past 10 Days

0cm

7-Day Forecast

0cm

Snow Depth

--

Updated: Sep 23, 6:04 AMWeather at base: 800m

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.

Resort Info

Summit1,831m
Base800m
Vertical1,031m
Lifts21
Runs16
Skiable Area544 acres
Average snowfall460 inches / 1168 cm
CountryJapan

Season dates

Season endedApril 26, 2026
Projected openingDecember 1, 2026

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 Wed, Sep 23, 06:04 AM UTC

0cm

Season Total

This Season to Date

vs 5-Year Avg

Off-season · 1,099cm full-season avg

vs 30-Year Avg

Off-season · 711cm full-season avg

1,099cm

5-Yr Avg by Now

The last completed season totaled ~912.2 cm. That's 17% below the 5-year average (1099 cm). Versus the 30-year baseline: 28% above the 30-year average (711 cm).

Happo-One Season Snowfall

Loading the ledger…

Happo-One Snow History

Average annual snowfall is 613cm with an average of 123 snowfall days per season. The recent decade runs 33% above this average (813cm over the last ten tracked seasons). The table below shows monthly averages across 30 seasons of archive data (modeled snowpack at mid-elevation).

Average monthly snowfall history
MonthAvg SnowfallSnowfall DaysAvg Base DepthMax Base DepthBiggest Snowfall
November42cm12 days6cm22cm10cm
December145cm26 days55cm103cm19cm
January170cm28 days137cm174cm21cm
February123cm23 days182cm206cm19cm
March98cm22 days194cm219cm17cm
April30cm10 days143cm190cm10cm
May2cm1 days29cm86cm3cm

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

Mar
28.511d
Apr
19.426d

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

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.