Kakeinoyu
For natural hot springs, look no further than this day-use hot springs inside "HANA・BIYORI," adjacent to Yomiuriland. Perched at an elevation of 100 meters, this hot destination is where you’ll find panoramic views of the Tokyo skyline, with the added perk of seasonal blooms all around from HANA・BIYORI, ensuring the utmost in luxe, unique experience.
The bath was super relaxing, and the standing bath had a great view, so it was perfect for unwinding! There were plenty of rest areas inside too. I'd love to come back again! ☺