powderpeekWORLDWIDE

Find your mountain

Search by resort, country or region. Try A-Basin, Val Thorens or Japan.

Popular mountains

Arapahoe BasinColorado · United StatesBreckenridgeColorado · United StatesCopper MountainColorado · United StatesTellurideColorado · United StatesPurgatoryColorado · United StatesBanff Sunshine VillageAlberta · Canada
Resorts near you →Browse by continent, country or region →

志賀高原 一の瀬ダイヤモンドスキー場, Shiga Kogen Ichinose Diamond Ski Area

Nagano Prefecture · Japan

RESORT CONDITIONS

Snow & forecast

Add to home screen
Save a shortcut to this resort.

iPhone / iPad: In Safari, open Share, then Add to Home Screen or Add Bookmark.

Android: In Chrome’s menu, choose Add to Home screen (or Install and create shortcut).

Computer: Bookmark this page with ⌘ D on Mac or Ctrl D on Windows.

Save this resort’s page to return straight to its forecast. Internet access is needed for fresh snow and cameras.

Open PowderPeek

Favorites stay in this browser. Find them anytime under Saved.

Nagano Prefecture · Japan

志賀高原 一の瀬ダイヤモンドスキー場, Shiga Kogen Ichinose Diamond Ski Area

Named ski area within a larger domain. Report totals must identify this area before they are shown here.

Nearby observed 24h snow

—in
0 in24+ in
Loading saved observations…Use the official mountain report when available.
Website not listed

The listed website covers multiple areas or needs source verification. Open the resort website for area-specific conditions.

Mountain conditionsNo saved operating report
Lifts open— / —
Trails open— / —

Surface conditions unavailable

Operating counts unavailable in the saved report.

Official mountain conditions ↗
No verified camera linkOfficial report / resort

7-day snowfall forecast

WeatherAPI.com · snowfall in inches

0 innext 7 days¹

Named ski area within a larger domain. Report totals must identify this area before they are shown here.

Today · remaining today

Daytime: Patchy rain nearby (10°C)

Snowfall: 0 in · WeatherAPI.com model estimate

¹ Today is the remaining day. <0.1 means a small positive amount. Daily splits are estimates. Model = WeatherAPI.com; later days are less certain.
WeatherAPI.com

Updated Nov 11, 2026, 5:03 AM JST · scheduled hourly

WeatherAPI location: Norimawashi · 5.2 mi from the resort point. This may represent a nearby town; mountain elevation and snowfall can differ.

Model retrieved Nov 11, 2026, 5:03 AM JST · source cache up to 4 hours

About the snow data for 志賀高原 一の瀬ダイヤモンドスキー場, Shiga Kogen Ichinose Diamond Ski Area

志賀高原 一の瀬ダイヤモンドスキー場, Shiga Kogen Ichinose Diamond Ski Area is listed in Nagano Prefecture, Japan. This page brings together the available snowfall forecast, resort report and camera sources for the directory point at 36.738°, 138.517°. Times use Asia/Tokyo.

The numerical forecast uses WeatherAPI model data when available. A mountain covers several elevations and exposures. Treat these numbers as estimates for the stated forecast location, rather than a promise of snow at every lift.

The model location returned for this forecast is Norimawashi, 5.2 miles from the resort point. Town temperatures and snow amounts may differ from the mountain.

Named ski area within a larger domain. Report totals must identify this area before they are shown here.

Reported snowfall and cameras

This listing does not have a separate verified official snow-report feed. Check the resort’s own website for current operations and measurements. Reports older than 36 hours are labeled separately. Camera images offer a visual check; the picture is not a snowfall measurement.

Resort website ↗Sources and update scheduleReading the forecastReport a correction

Nearby mountains

These are straight-line distances between directory points, not driving distances.

All Nagano Prefecture ski areas →Japan resort directoryMedia & sharing