Rainbow Line Summit Park in Fukui Prefecture is a must-visit spot for breathtaking panoramic views of the Sea of Japan and the Mikata Goko Five Lakes. The park features five stylish terraces that float over the lakes, offering footbaths, comfy sofas, and a cafe with killer views. Don't miss the rose garden with over 600 flowers blooming in spring and autumn. It's the perfect place to chill out and soak in the beauty of nature from every angle.