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Ichinose Diamond Ski Area

Nagano Prefecture, JP

2 kmXStrails
103 mvertical
2lifts
❄︎❄︎❄︎heavy snow
539 cma season, measured

Open it on the map 3D trail map shigakogen.gr.jp Webcams ↗

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.

Webcamson shigakogen.gr.jp

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

1,710 msummit
103 mvertical
1,607 mbase
Region
Yamanouchi, Nagano Prefecture, Japan

Where it stands

trails
2 kmmedian 11 km
9%
vertical
103 mmedian 452 m
6%
advanced or harder
0%median 13%
42%
novice or easy
44%median 43%
54%
snowfall
539 cmmedian 405 cm · model here 405 cm
61%

this resort middle half median model

The Season

77%of Dec–Mar days it snows
4powder days a season
31days, longest snowy stretch
measured at 草津
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

Terrain

above: this resort · below: typical of the 26 Japanese resorts under 10 km

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

Japanese grading.

Trail map

unnamed run — green (easy)東館山林間コース — green (easy)モンキーコース — green (easy)unnamed run — green (easy)連絡コース, Connection Course — green (easy)unnamed run — green (easy)unnamed run — green (easy)unnamed run — green (easy)unnamed run — green (easy)unnamed run — green (easy)ダイヤモンドゲレンデ — green (easy)unnamed run — green (easy)かもしかコース — red (intermediate)ラビットコース — red (intermediate)ラビットコース — red (intermediate)YAKEBI Coast — black (advanced)unnamed run — black (advanced)unnamed rununnamed rununnamed rununnamed rununnamed rununnamed run一の瀬ダイヤモンドクワッド — chairlift — 1607 m to 1710 m一の瀬ダイヤモンドクワッド — chairlift — 1607 m to 1710 m一の瀬ダイヤモンドペア — chairlift — 1613 m to 1620 m一の瀬ダイヤモンドペア — chairlift — 1613 m to 1620 m500 m
lift2 chairliftsruns coloured as on the terrain bar · north is up · OpenSkiMap, from OpenStreetMapFull screen ↗
Lifts and runs by name
Lifts
一の瀬ダイヤモンドクワッド, 一の瀬ダイヤモンドペア
Green
東館山林間コース, モンキーコース, 連絡コース, Connection Course, ダイヤモンドゲレンデ
Red
かもしかコース, ラビットコース
Black
YAKEBI Coast

Nearby

ResortDistanceTrailsSnowfallPassesCompare
Ichinose Diamond Ski Area—2 km❄︎❄︎❄︎
Ichinose Yamanokami Ski Area0 km—❄︎❄︎❄︎
Tannenomori Okojo Ski Area1 km—❄︎❄︎❄︎
Ichinose Family Ski Area1 km6 km❄︎❄︎❄︎
Takamagahara Mammoth Ski Area1 km3 km❄︎❄︎❄︎
Yakebitaiyama Ski Area1 km16 km❄︎❄︎❄︎
Nishidateyama Ski Area1 km5 km❄︎❄︎❄︎
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
Webcams
the resort's own webcam page; the imagery remains the operator's
Snowfall, measured
草津 AMeDAS (JMA), 15.4 km away, 10-season mean
Snowfall, model
ERA5, ~10 km grid, at mid-mountain

Data (ODbL) · Method

All ski passes in Japan · All 501 resorts · The map