Asia
Tomamu Resort Guide
Projected to open December 1, 2026
Best months to book: March, February, January · last season + 30-yr record
Scroll for happiness
Projected to open Dec 1 — closed April 6
Weather data is still collected for informational purposes.
Last Snowfall
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Resort Guide
Tomamu is a ski resort located in central Hokkaido, Japan, offering a vast ski area with diverse terrain suitable for all levels, including powder snow and tree runs. The resort features modern accommodations, a large indoor wave pool, and family-friendly facilities, creating a relaxed and welcoming atmosphere. Signature experiences include guided backcountry tours and the unique Ice Village, which appears each winter with ice bars and activities. Tomamu stands out for its blend of natural beauty, extensive amenities, and distinctive winter attractions.
Gallery
Click to expand • 10 total photos
Terrain & lifts
Resort-reported stats for Tomamu
Lifts
6
Longest run
4.2 km / 2.6 mi
Lift fleet
- Gondola1
Resort Info
Season dates
Future dates are operator estimates and may change.
Top Après Ski
Mina Mina Beach Lounge – Known for its unique indoor beach setting and relaxed après-ski atmosphere, this lounge at Hoshino Resorts Tomamu offers cocktails and light bites with views of the wave pool, making it a popular spot to unwind after a day on the slopes.
Season vs Historic
Updated Tue, Oct 13, 09:07 PM UTC
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Season Total
This Season to Date
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vs 5-Year Avg
Off-season · 247cm full-season avg
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vs 30-Year Avg
Off-season · 279cm full-season avg
247cm
5-Yr Avg by Now
The last completed season totaled ~247 cm. That's near the 5-year average (247 cm). Versus the 30-year baseline: 11% below the 30-year average (279 cm).
Tomamu Season Snowfall
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Tomamu Snow History
Average annual snowfall is 296cm with an average of 69 snowfall days per season. 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 | 34cm | 9 days | 6cm | 19cm | 9cm |
| December | 61cm | 13 days | 36cm | 59cm | 13cm |
| January | 54cm | 13 days | 69cm | 84cm | 13cm |
| February | 47cm | 11 days | 87cm | 99cm | 12cm |
| March | 59cm | 13 days | 96cm | 110cm | 15cm |
| April | 33cm | 8 days | 67cm | 94cm | 11cm |
| May | 5cm | 1 days | 10cm | 40cm | 4cm |
Source: SnowSure archive · Open-Meteo ERA5 reanalysis at mid-elevation. Depth is modeled, not resort-reported.
SnowSure Score by Month
Season 2025-26
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No full season on record
43 days scored, from 22 Feb
46
Best Day
7 Mar
0
Excellent+ Days
Scored 50 or above
3
Powder Days
6cm+ fresh snow
Highest-scoring days
February 2026
- 3728 Feb6cm
- 2924 Feb
- 2727 Feb
March 2026
- 467 Mar8cm
- 445 Mar4cm
- 446 Mar
April 2026
- 213 Apr2cm
- 204 Apr
- 195 Apr
March scored highest for Tomamu in 2025-26. Based on 43 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 6, 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 Tomamu
- Where is Tomamu?
- Tomamu is a ski resort in Japan.
- How high is Tomamu?
- Tomamu runs from a base elevation of 596 m (1,955 ft) to a summit of 1,239 m (4,065 ft), giving a vertical drop of 643 m (2,110 ft).
- How big is Tomamu?
- Tomamu has 29 marked runs and 6 lifts.
- When is ski season at Tomamu?
- Tomamu 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 Tomamu get in a typical season?
- Tomamu averages 315 inches / 800 cm of snowfall in a typical season. Any individual season can run well above or below that.
