For about 10 weeks each winter, a breathtaking ice cave forms along the Noboribetsu River, featuring ice stalactites and stalagmites up to three meters long. This rare natural phenomenon is shaped by a unique blend of geology and climate, offering an unforgettable experience The 8-kilometer round-trip snowshoe hike to the cave takes you through a tranquil fir and native forest with gentle elevation gain, making it a perfect introduction to snowshoeing, blending adventure with stunning winter landscapes