Kumamoto

  • Kumamoto City's water supply is entirely sourced from groundwater, with approximately 100 million tons annually supplied by natural springs.
  • The outer rim of Mount Aso spans approximately 25km by 18km, making it one of the world's largest calderas with ongoing volcanic activity.
  • Kumamoto Prefecture accounts for approximately 90% of domestic production of igusa rush used for tatami mats.
  • Approximately 300 Indo-Pacific bottlenose dolphins can be observed year-round in Amakusa's waters with nearly 100% certainty.
  • Higo no Yunagi, evening calm winds in Kumamoto, is a unique summer phenomenon causing sultry heat.
  • Kumamoto Castle is famous for its musha-gaeshi (warrior-repelling) curved stone walls designed by warlord Kato Kiyomasa.
  • The Kuma River is one of Japan's three major rapids and has hosted international rafting championships.
  • Kurokawa Onsen is popular for its nyutomeguri (bath-hopping) system, allowing access to over 30 outdoor baths with a single entry pass.
  • Dekopon is a citrus variety born in Kumamoto Prefecture, officially named Shiranui.
  • The prefectural mascot Kumamon won the inaugural Yuru-chara Grand Prix in 2011, generating annual sales exceeding 150 billion yen.
  • The Yamaga Lantern Festival features the fantastical Sennin Toro Odori (Thousand Person Lantern Dance) where women gracefully dance with gold paper lanterns balanced on their heads.
  • Aoi Aso Shrine in Hitoyoshi features a thatched roof gate and was designated as a National Treasure in 2008.
  • Tsujunkyo Bridge is an Edo-period stone arch aqueduct, with water discharge displays being a popular tourist attraction.
  • Akaushi (brown-haired) Wagyu cattle from Aso are lean, flavorful beef gaining rapid popularity.
  • Kumamoto is known as a rugby town with many strong high school rugby teams.