Ichinose Diamond Ski Area vs Takamagahara Mammoth Ski Area

Ichinose Diamond Ski Area (Nagano Prefecture) and Takamagahara Mammoth Ski Area (Nagano Prefecture) head-to-head: stats, terrain, and 2026-27 pass coverage.

StatIchinose Diamond Ski AreaTakamagahara Mammoth Ski Area
Vertical drop338 ft (103 m)761 ft (232 m)
Summit elevation5,610 ft6,243 ft
Base elevation5,272 ft5,482 ft
Lifts23
Runs47
Beginner terrain33%43%
Intermediate terrain67%43%
Expert terrain0%14%
Night skiing--

Takamagahara Mammoth Ski Area has the bigger vertical (761 ft vs 338 ft); Takamagahara Mammoth Ski Area has more runs (7 vs 4); Takamagahara Mammoth Ski Area skews more expert (14% expert terrain).

Which pass covers them?

ResortPass coverage (2026-27)
Ichinose Diamond Ski AreaIkon Pass: 7 days
Takamagahara Mammoth Ski AreaIkon 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 · Takamagahara Mammoth Ski Area stats