Niigata Prefecture, Japan

胎内スキー場, Tainai Ski and Snowboard area

Ski area

• 11 km of mapped runs
• 8 mapped lifts
• Elevation 146–703 m (557 m vertical)
• Activities: downhill

Approximate resort centre, not a trail boundary. Confirm current conditions and access with the operator. An official trail-map link has not been verified for this listing.

Source: OpenSkiMap / OpenStreetMap contributors (ODbL), October 2026 — mapped figures; confirm with operator.