Ichinose Diamond Ski Area vs Lotte Arai Resort

Ichinose Diamond Ski Area (Nagano Prefecture) and Lotte Arai Resort (Niigata Prefecture) head-to-head: stats, terrain, and 2026-27 pass coverage.

StatIchinose Diamond Ski AreaLotte Arai Resort
Vertical drop338 ft (103 m)2,982 ft (909 m)
Summit elevation5,610 ft4,193 ft
Base elevation5,272 ft1,211 ft
Lifts25
Runs412
Beginner terrain33%50%
Intermediate terrain67%42%
Expert terrain0%8%
Night skiing--

Lotte Arai Resort has the bigger vertical (2,982 ft vs 338 ft); Lotte Arai Resort has more runs (12 vs 4); Lotte Arai Resort skews more expert (8% expert terrain).

Which pass covers them?

ResortPass coverage (2026-27)
Ichinose Diamond Ski AreaIkon Pass: 7 days
Lotte Arai ResortIkon Pass: 7 days

One pass covers both: Ikon Pass. Check your full resort list in the pass finder →

Stay near Ichinose Diamond Ski Area

Lodging near the base fills up first during peak weeks. Search stays near Ichinose Diamond Ski Area

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More detail: Ichinose Diamond Ski Area stats · Lotte Arai Resort stats