Escape the freezing slopes to a perpetual summer at Mina-Mina Beach, Japan's largest indoor wave pool, where it's always a balmy 30°C. Imagine floating in the gentle waves or relaxing in a hot spa while snow blankets the forest outside. It's a surreal and delightful experience, perfect for families looking to unwind after a day on the slopes or simply seeking a unique tropical getaway in the heart of Hokkaido.