title: Hyōnosen-Ushiroyama-Nagisan Quasi-National Park
text: # Hyōnosen-Ushiroyama-Nagisan Quasi-National Park
  
  Hyōnosen-Ushiroyama-Nagisan Kokutei Kōen (氷ノ山後山那岐山国定公園) is a Quasi-National Park in Hyōgo Prefecture, Tottori Prefecture, and Okayama Prefecture, Japan. It was founded on 10 April 1969 and has an area of 488.03 square kilometres (188.43 sq mi).
  
  ## Overview
  
  Hyōnosen-Ushiroyama-Nagisan Kokutei Kōen comprises three areas of the Chūgoku Mountains, a mountain range which forms the backbone of the Chūgoku region of western Japan and extends under the Pacific Ocean. The park covers 48,803 hectares (120,590 acres): 25,200 hectares (62,000 acres) in Hyōgo Prefecture, 15,024 hectares (37,130 acres) in Okayama Prefecture, and 8,579 hectares (21,200 acres) in Tottori Prefecture.
  
  ### Jurisdictions
  
  * Hyōgo Prefecture
     * Toyooka
     * Yabu
     * Shisō
     * Kami
     * Shin'onsen
     * Sayō
  * Okayama Prefecture
     * Mimasaka
     * Nishiawakura
  * Tottori Prefecture
     * City of Tottori
     * Iwami
     * Yazu
     * Wakasa
     * Chizu
     * Misasa
  
  ## Mountains
  
  Important mountains of the park include:
  
  * Mount Hyōno -- 1,510 metres (4,950 ft). Hyōgo and Tottori prefectures
  * Mount Sobu -- 1,074 metres (3,524 ft). Hyōgo Prefecture
  * Mount Mimuro -- 1,358 metres (4,455 ft). Hyōgo and Tottori prefectures
  * Mount Ushiro -- 1,345 metres (4,413 ft). Hyōgo and Okayama prefectures
  * Mount Nagi -- 1,255 metres (4,117 ft). Tottori and Okayama prefectures
  