Koshi Kogen Ski Resort vs Lotte Arai Resort

Koshi Kogen Ski Resort (Niigata Prefecture) and Lotte Arai Resort (Niigata Prefecture) head-to-head: stats, terrain, and 2026-27 pass coverage.

StatKoshi Kogen Ski ResortLotte Arai Resort
Vertical drop427 ft (130 m)2,982 ft (909 m)
Summit elevation1,434 ft4,193 ft
Base elevation1,007 ft1,211 ft
Lifts15
Runs412
Beginner terrain50%50%
Intermediate terrain50%42%
Expert terrain0%8%
Night skiing--

Lotte Arai Resort has the bigger vertical (2,982 ft vs 427 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)
Koshi Kogen Ski ResortNot on a major pass; lift tickets only
Lotte Arai ResortIkon Pass: 7 days

No single pass covers both, so skiing both means separate passes or lift tickets. Check your full resort list in the pass finder →

Stay near Koshi Kogen Ski Resort

Lodging near the base fills up first during peak weeks. Search stays near Koshi Kogen Ski Resort

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More detail: Koshi Kogen Ski Resort stats · Lotte Arai Resort stats