Explore the mysterious "Pumpkin Hall" cave, a sacred Ryugu myth site in Miyakojima! Enjoy a scenic canoe ride across emerald waters, then step inside a hidden limestone world for an unforgettable caving adventure. 【What You Will Experience】 Canoeing: Meet your guide at the field and paddle a canoe toward the hidden cave entrance. Caving & Jumping: Discover the giant pumpkin-shaped limestone and enjoy a thrilling dive into the natural pool! Return: Paddle back to the field for a smooth dismissal. 【Sample Timeline】 09:30 / 13:30 – Meet at the field. 09:45 / 13:45 – Canoe experience begins. 10:00 / 14:00 – Arrive at Pumpkin Hall & start caving. 11:00 / 15:00 – Caving ends. 11:15 / 15:15 – Resume canoeing. 11:30 / 15:30 – Tour ends & dismissal. *Times vary daily depending on tide and weather. 【Important Notes】 Details: Meeting details will be emailed by 18:00 the day before. Restrictions: Ages 7–59 only. No pregnant women, children (0-6), medical conditions, or over 100kg. Prep & Safety: Life jackets are mandatory. No restrooms at the field. No alcohol. Photography inside the cave is restricted to the entrance area only. Guided in English/Japanese.