Narusawa Ice Cave – A Natural Ice Wonderland

Overview: Ancient Ice Formations & Unique Experience

Narusawa Ice Cave, located in Yamanashi Prefecture near Mt. Fuji, is a fascinating natural lava cave known for its stunning ice formations that last year-round. The cave’s interior remains around 3°C (37°F), offering a surreal and refreshing experience even in summer. Visitors can marvel at the intricate ice pillars and learn about the cave’s geological history.

Narusawa Ice Cave, famous for its year-round ice formations and lava tunnel, is located near other must-visit sites in the Fuji Five Lakes area such as Oshino Hakkai, Fugaku Wind Cave, and Arakurayama Sengen Park, making it easy to enjoy a full day exploring the natural wonders, cultural landmarks, and breathtaking views of Mt. Fuji.

How to Get to Narusawa Ice Cave

From Tokyo, take the JR Chuo Line to Otsuki, transfer to the Fujikyu Railway to Kawaguchiko, then take a local bus bound for Saiko or Narusawa. Get off at the Hyoketsu Iriguchi stop. The cave is a short walk from the bus stop.

Departure Route Estimated Time Estimated Cost
Shinjuku (Tokyo) JR Chuo Line to Otsuki → Fujikyu Railway to Kawaguchiko → Local bus to Narusawa Ice Cave (Hyoketsu Iriguchi) ~2 hr 30 min Approx. ¥2,700
Shinjuku (Tokyo) South Exit (Busta Shinjuku, 4th Floor) Take the Keio Highway Bus "Shinjuku–Fujigoko Line (bound for Yamanakako Hirano)" to Kawaguchiko Station.
Transfer to the Fujikyu Bus "Narusawa, Shojiko, Motosuko Blue Line" and get off at the Hyoketsu (Ice Cave) bus stop. From there, it's about a 5-minute walk to Narusawa Ice Cave.
~2 hr 40 min ¥2,200 (Highway Bus) + ¥740 (Local Bus)
Kawaguchiko Station Local bus bound for Saiko/Narusawa, get off at Hyoketsu Iriguchi ~30 min Approx. ¥800
Note: Bus schedules may vary by season. Check local timetables before your visit.

What to Expect Inside

The cave features dramatic ice pillars, lava shelves, and informative displays about its formation. The path is narrow and can be slippery—wear sturdy shoes and dress warmly.

Official Website

For more details, please visit the official website.

Visit Official Site

Visit Information

  • Location: Narusawa, Yamanashi Prefecture, Japan
  • Opening Hours:
    April 1 – October 15
    Weekdays: 9:00 AM – 5:00 PM
    Weekends & Holidays: 9:00 AM – 5:00 PM
  • Best Time to Visit: Winter is ideal, but open year-round
  • Tips: Dress warmly as the cave is cold even in summer. Wear sturdy shoes. Guided tours available.
  • Entry Fee: Adults: ¥350 / Children (elementary school age and younger): ¥200