Ichinose Diamond Ski Area

Nagano Prefecture, JP — size XS · 2 km of trails · 103 m vertical · 2 lifts · heavy snowfall

Open it on the map shigakogen.gr.jp

Japan
Tokyo — town, pop. 9,733,276Osaka — town, pop. 2,753,862Nagoya — town, pop. 2,332,176Sapporo — town, pop. 1,973,832Fukuoka — town, pop. 1,612,392Ichinose Diamond Ski AreaTokyoOsakaNagoyaSapporoFukuoka
Nagano Prefecture
Tokyo — town, pop. 9,733,276Yokohama — town, pop. 3,777,491Nagoya — town, pop. 2,332,176Chiba — town, pop. 979,768Hakuba CortinaHakuba GoryuHakuba IwatakeHakuba Norikura OnsenHakuba47Happo-OneJiigatakeKashimayariSanosakaTsugaike KogenArai Mountain ResortCupid ValleyDynalandGiant Ski AreaHasuike Ski AreaHigashidateyama Ski AreaHirugano Kogen Ski ResortHodaigi Mountain ResortHoppo Bunadaira Ski AreaIchinose Family Ski AreaIchinose Yamanokami Ski AreaKandatsu Snow ResortKumanoyu Ski AreaMadarao Mountain ResortMaiko ResortMaruike Ski AreaMt.TMuica Snow ResortMyoko Suginohara Ski ResortNekoma MountainNinox Snow ParkNishidateyama Ski AreaOkushiga Kogen Ski AreaPalcall Tsumagoi ResortSnow Resort The Cupid of RomanceSun Valley Ski AreaTakamagahara Mammoth Ski AreaTakasu Snow ParkTannenomori Okojo Ski AreaTerakoya Ski AreaTogakushi Ski ResortTogari Onsen Snow ResortWashigatake Ski ResortWhitePIA TakasuYakebitaiyama Ski AreaYokoteyama Ski AreaYuzawa Nakazato Snow ResortZao Onsen Ski ResortIchinose Diamond Ski AreaTokyoYokohamaNagoya
Within 30 km
Nagano — town, pop. 372,760Suzaka — town, pop. 54,022Nakano — town, pop. 42,664Arai — town, pop. 27,481Iiyama — town, pop. 20,118Nakanojō — town, pop. 15,571Giant Ski AreaHasuike Ski AreaHigashidateyama Ski AreaHoppo Bunadaira Ski AreaIchinose Family Ski AreaIchinose Yamanokami Ski AreaKandatsu Snow ResortKumanoyu Ski AreaMadarao Mountain ResortMaiko ResortMaruike Ski AreaNishidateyama Ski AreaOkushiga Kogen Ski AreaPalcall Tsumagoi ResortSnow Resort The Cupid of RomanceSun Valley Ski AreaTakamagahara Mammoth Ski AreaTannenomori Okojo Ski AreaTerakoya Ski AreaTogari Onsen Snow ResortYakebitaiyama Ski AreaYokoteyama Ski AreaIchinose Diamond Ski AreaIchinose Diamond Ski…Giant Ski AreaHasuike Ski AreaKandatsu Snow ResortKumanoyu Ski AreaMadarao Mountain Res…Maiko ResortPalcall Tsumagoi Res…Togari Onsen Snow Re…Yokoteyama Ski AreaNaganoAraiNakanojō

Closed today

Season: usually early December - early May.

26/27 Passes

PassWhat it grantsBlackouts
Ikon Pass7 days shared across 17 resortsno blackout dates
Shares that 7-day budget with Giant Ski Area, Hasuike Ski Area, Higashidateyama Ski Area, Hoppo Bunadaira Ski Area.
Ikon Base5 days shared across 17 resortsno blackout dates
Shares that 5-day budget with Giant Ski Area, Hasuike Ski Area, Higashidateyama Ski Area, Hoppo Bunadaira Ski Area.

The mountain

Trails
2 km — size XS
Vertical
103 m
Summit
1710 m
Base
1607 m
Lifts
2
Region
Yamanouchi, Nagano Prefecture, Japan

Typical Snowfall

Our take: ❄︎❄︎❄︎❄︎ Heavy

Measured, JMA station
539 cm — 草津 AMeDAS, 15.4 km away, 436 m below mid-mountain; 10-season mean, peak base 88 cm
Powder days
4 a season — days with 20 cm or more; measured at 草津
Snow-day share
77% of December–March days — a centimetre or more; measured at 草津
Longest snowy stretch
31 days — consecutive days with a centimetre or more, typical winter; measured at 草津
Model climatology
405 cm — ERA5 model, ~10 km grid

The Season

Snow on the ground model
50100150 cmOctNovDecJanFebMarAprMayJun
Snowfall, season to date model
200400600800 cmOctNovDecJanFebMarAprMayJun

middle half of winterstypical (dashed: model)2025/26

Snow on the ground: model (ERA5 at mid-mountain), 10 winters; reads low
Snowfall: model (ERA5 at mid-mountain), 10 winters, scaled ×1.33 to JMA station mean
Natural snow; a groomed base runs deeper.

Character

It is a small hill: 2 km of trails, against 11 km for the median Japanese resort on a pass. Most of what the independents' passes sell is this size.

Terrain

  • easygreen0.8 km · 1 run
  • intermediatered0.8 km · 2 runs
  • other0.2 km · 1 run

Japanese grading.

Lifts

  • 2chairlifts

Nearby

ResortDistanceTrailsSnowfallPasses
Ichinose Yamanokami Ski Area0 km—heavyIkon Pass, Ikon Base (shared)
Tannenomori Okojo Ski Area1 km—heavyIkon Pass, Ikon Base (shared)
Ichinose Family Ski Area1 km6 kmheavyIkon Pass, Ikon Base (shared)
Takamagahara Mammoth Ski Area1 km3 kmheavyIkon Pass, Ikon Base (shared)
Yakebitaiyama Ski Area1 km16 kmheavyIkon Pass, Ikon Base (shared)
Nishidateyama Ski Area1 km5 kmheavyIkon Pass, Ikon Base (shared)

FAQ

Is Ichinose Diamond Ski Area on the Ikon Pass?
Yes. The Ikon Pass grants 7 days shared across 17 resorts at Ichinose Diamond Ski Area for 2026/27, with no blackout dates.
Is Ichinose Diamond Ski Area on the Ikon Base?
Yes. The Ikon Base grants 5 days shared across 17 resorts at Ichinose Diamond Ski Area for 2026/27, with no blackout dates.
How much snow does Ichinose Diamond Ski Area get?
Ichinose Diamond Ski Area has heavy snowfall by our banding.
What else can I ski nearby on the same pass?
Ichinose Yamanokami Ski Area (0 km), Tannenomori Okojo Ski Area (1 km), Ichinose Family Ski Area (1 km)

Sources

Pass terms
Ikon
Mountain figures
OpenSkiMap, from OpenStreetMap
Season dates and live status
skiresort.info
Snow on the ground
Open-Meteo

Data (ODbL) · Method

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