List of Historic Sites of Japan (Fukuoka)
National Historic Sites
Table:
Site	Municipality	Type	Ref

* Ōzuka Kofun 王塚古墳 Ōzuka kofun	Keisen	1	2631

* Mizuki Site 水城跡 Mizuki ato	Dazaifu , Ōnojō , Kasuga	2	2598

* Dazaifu Site 大宰府跡 Dazaifu ato	Dazaifu	2	2599

* Ōnojō Site 大野城跡 Ōno-jō ato	Dazaifu , Ōnojō , Umi	2 , 3	2622

* Kii Castle Site 基肄 ( 椽 ) 城 跡 Kii-jō ato	Chikushino	2	3085

Ashikisan Castle Site 阿志岐山城跡 Ashikisan-jō ato	Chikushino	2	00003719

Ayazuka Kofun 綾塚古墳 Ayazuka kofun	Miyako	1	2665

Ankokuji Burial Jar Cluster 安国寺 甕棺墓 群 Ankokuji kamekan bogun	Kurume	1	2684

Urayama Kofun 浦山古墳 Urayama kofun	Kurume	1	2641

Yakata Kofun Cluster 屋形古墳群 Yakata kofun-gun	Ukiha	1	2643

Shimotakahashi Government Office Site 下高橋官衙遺跡 Shimotakahashi kanga iseki	Tachiarai	2	3225

Shimobaba Kofun 下馬場古墳 Shimobaba kofun	Kurume	1	2638

Kamatsuka Kofun 釜塚古墳 Kamatsuka kofun	Itoshima	1	2685

Kanzeon-ji Precinct 観世音寺境内及び子院跡附老司瓦窯跡 Kanzeonji keidai oyobi shiin ato tsuketari Rōji kawara gama ato	Dazaifu	3	2660

Yoshitaketakagi Site 吉武高木遺跡 Yoshitaketakagi iseki	Fukuoka	1	2690

Tachibanazuka Kofun 橘塚古墳 Tachibanazuka kofun	Miyako	1	2658

Mount Kubote 求菩提山 Kubote-san	Buzen , Chikujō	3	3306

Ushikubi Sue Ware Kiln Site 牛頸須恵器窯跡 Ushikubi Sue-ki kama ato	Ōnojō	6	00003624

Kanenokuma Site 金隈遺跡 Kanenokuma iseki	Fukuoka	1	2663

Anagahayama Kofun 穴ヶ葉山古墳 Anagahayama kofun	Kōge	1	2633

Taking into account the following table plus the supplementary paragraphs provided.

Respond to the question below: What is the former name of the Mount which has a site in a town that has a river named Umigawa ? Provide just your answer in a JSON object {"answer": "YOUR ANSWER"}. Do not introduce information beyond the provided sources.

Keisen ( 桂川町 , Keisen-machi ) is a town located in Kaho District , Fukuoka Prefecture , Japan . As of April 30 , 2017 , the town has an estimated population of 13,750 and a density of 690 persons per km² . The total area is 20.07 km² . Keisen was home to Fukuoka POW Camp in 1944 during World War II . There are many Kofun in Keisen ; Ōzuka Kofun , near Keisen Station , is designated as a site of special historic interest ( one of only two of its kind in Japan ) , and has its own museum . Ozuka was built in the 6th century AD as a decorated mound tomb . It was rediscovered in 1934 , and the artifacts found inside are now at Kyoto National Museum . It was closed to the public for preservation in 1967 , but is now open twice a year . The museum has a full size reconstruction of the tomb with information in Japanese and English . Admittance is 310 yen for adults , as of 2009 . Its archeological importance is perhaps comparable with that of Sutton Hoo . In July 2010 a landslide after heavy rain destroyed a house .
Monuments ( 記念物 , kinenbutsu ) is a collective term used by the Japanese government 's Law for the Protection of Cultural Properties to denote Cultural Properties of Japan [ note 1 ] as historic locations such as shell mounds , ancient tombs , sites of palaces , sites of forts or castles , monumental dwelling houses and other sites of high historical or scientific value ; gardens , bridges , gorges , mountains , and other places of great scenic beauty ; and natural features such as animals , plants , and geological or mineral formations of high scientific value .
Mizuki Castle ( 水城 , Mizuki ) was built in the year 664 , in the third year of the Emperor Tenji 's reign It was built in the Dazai urban prefecture , presently situated in central Fukuoka , Japan . It is believed it was built to be the Japanese Yamato court . The main reason for construction was that there was a fear of an invasion from the continent , and it is thought that the castle was ordered to be constructed to protect Dazaifu . There are only some remains of the castle left , including some low walls in the picturesque countryside . The castle is often associated with Ōno Castle ( Chikuzen Province ) . The name Mizuki means water fortress . The castle itself was 1.2 kilometres long , 80 metres wide and 10 meters high . It had a very large moat protecting the Hazaka side of the castle .
Dazaifu ( 太宰府市 , Dazaifu-shi ) is a city located in Fukuoka Prefecture , Japan , part of the greater Fukuoka metropolitan area . Nearby cities include Ōnojō and Chikushino . Although mostly mountainous , it does have arable land used for paddy fields and market gardening . As of October 2018 , the city has an estimated population of 72,231 with 29,355 households and a population density of 2,440 persons per km² . The total area is 29.58 km² . The city was officially founded on April 1 , 1982 , although it has been important historically for more than a thousand years . It was a administrative capital of Fukuoka at around 663 CE .
Ōnojō ( 大野城市 , Ōnojō-shi ) is an area located in Fukuoka Prefecture , Japan . Its name is made up of the kanji for 'big ' , 'field ' , and 'castle ' . It is mostly a southern suburb of the city of Fukuoka , and has a border to the northwest with the Hakata-ku area of the city . It also shares borders with Dazaifu and Kasuga , Umi , Chikushino , Nakagawa and Shime . The border with Umi is marked by the summit of Otoganayama at 268 metres above sea level , a wide expanse of deciduous and bamboo forest , uninhabited except by the occasional snake . The Mikasa River [ ja ] flows through Ōnojō on its way to Hakata bay , with some of its tributaries such as Cow Neck River [ ja ] originating in the mountains in the south . Ducks , turtles , koi , egrets , herons and Japanese wagtails can be seen in or around the river , depending on the season . As of September 30 , 2016 , the city has an estimated population of 99,965 and a population density of 3,717.55 persons per km2 . The total area is 26.89 km2 . The city was founded on April 1 , 1972 . The city flower is the Chinese bellflower , known in Japanese as kikyō . JR Kyushu has a railway station named Ōnojō , five stops south of Hakata Station on the Kagoshima Main Line .
Kasuga ( 春日市 , Kasuga-shi ) is a city located in Fukuoka Prefecture , Japan . As of August 31 , 2016 , the city has an estimated population of 112,894 and a population density of 7,978.37 persons per km² . The total area is 14.15 km² . The city was founded on April 1 , 1972 . It is directly south of Fukuoka City , and west of Onojo . It also has a border with Nakagawa . Kasuga station is on the JR Kagoshima Main Line , while Kasugabaru Station is on the Nishitetsu Tenjin Ōmuta Line . The Hakata-Minami Line also terminates here . The Japan Air Self-Defense Force has its western regional headquarters here . There is a Seiyu mall , and several large parks . Kasuga Park has a baseball stadium , a football stadium , tennis courts , and a children 's playground with a large jungle gym . Shirozu Park has a children 's adventure playground and a large lake .
The Dazaifu ( 大宰府 or 太宰府 ) is a Japanese term for the regional government in Kyushu from the 8th to the 12th centuries . The name may also refer to the seat of government which grew into the modern city of Dazaifu in Fukuoka Prefecture .
Ōno Castle ( 大野城跡 Ōnojō-ato ) is a ruined castle located on Mount Shioji ( formerly called Mount Ōno ) in the northern part of Dazaifu city in Fukuoka Prefecture , Japan .
Umi ( 宇美町 , Umi-machi ) is a town located in Kasuya District , Fukuoka Prefecture , Japan . As of 2016 , the town has an estimated population of 37,663 and a density of 1,200 persons per km² . The total area is 30.22 km² . The town has a river , the Umigawa , flowing through it , a large Hachiman shrine and a small Protestant church . It also has some ancient burial mounds ( kofun ) . It is reputedly the birthplace of Emperor Ōjin , an early Japanese emperor . A railway was built in 1919 to facilitate the removal of coal , but this local industry ended in 1963 . The railway line was closed in 1985 and has been made into a pleasant semi-rural walkway . Umi still has another JR line , the Kashii Line . Ban-dai sake is also made in Umi .
Kii Castle ( 基肄城 , Kii-jo ) was a castle structure between Miyaki District , Saga and Chikushino , Fukuoka , Japan . Kii Castle has been designated as being of special national significance .
Chikushino ( 筑紫野市 , Chikushino-shi ) is a city in Fukuoka Prefecture , Japan . Bordering Dazaifu , Onojo , Nakagawa , Saga Prefecture , Ogori , Yasu , and Chikuho , Fukuoka , Chikushino is essentially a southern suburb of Fukuoka City . It was founded on April 1 , 1972 . As of September 30 , 2016 , the city had an estimated population of 103,076 and a population density of 1,174.92 persons per km² . The total area is 87.73 km² . The Tenjin Ōmuta Line runs through Chikushino at Nishitetsu Futsukaichi Station , Murasaki Station ( opened 2010 ) , Asakuragaidō Station , Sakuradai Station and Chikushi . It has three stations on the Kagoshima Main Line , and the southern terminus of the Chikuho Main Line is at Haruda Station .
Miyako ( みやこ町 , Miyako-machi ) is a town located in Miyako District , Fukuoka Prefecture , Japan . The town was founded on March 20 , 2006 , by the merger of the towns of Katsuyama 勝山 , Saigawa 犀川 and Toyotsu 豊津 , all from Miyako District . As of April 30 , 2017 , the town has an estimated population of 20,286 . The total area is 151.28 km²
Kurume ( 久留米市 , Kurume-shi ) is a city in Fukuoka Prefecture , Japan . As of June 1 , 2019 , the city has an estimated population of 303,579 and a population density of 1,320 persons per km² . The total area is 229.96 km² . On February 5 , 2005 , the town of Kitano ( from Mii District ) , the towns of Jōjima and Mizuma ( both from Mizuma District ) , and the town of Tanushimaru ( from Ukiha District ) were merged into Kurume . [ citation needed ]
Ukiha ( うきは市 , Ukiha-shi ) is a city located in Fukuoka Prefecture , Japan . The modern city of Ukiha was established on March 20 , 2005 , from the merger of the former town of Ukiha ( 浮羽町 , Ukiha-machi ) absorbing the town of Yoshii ( both from Ukiha District ) . As of April 30 , 2017 , the city has an estimated population of 30,431 , and a population density of 260 persons per km² . The total area is 117.55 km² .
Tachiarai ( 大刀洗町 , Tachiarai-machi ) is a town located in Mii District , Fukuoka Prefecture , Japan . As of April 30 , 2017 , it has an estimated population of 15,567 and a density of 680 persons per km² . The total area is 22.83 km² . Tachiarai is divided into three neighborhoods : Ozeki , Hongō and Kikuchi . Much of the land is used for growing rice and other crops .
Itoshima ( 糸島市 , Itoshima-shi ) is a city located in western Fukuoka Prefecture , Japan . As of April 2018 , the city has an estimated population of 96,540 , with 34,685 households and a population density of 454 persons per km² . The total area is 216.12 km² . The modern city of Itoshima was established on January 1 , 2010 , from the merger of the city of Maebaru and the towns of Shima and Nijo ( both from Itoshima district ) .
Kanzeon-ji ( 観世音寺 ) is a seventh-century Buddhist temple in Dazaifu , Fukuoka , Fukuoka Prefecture , Japan . It was once the most important temple in Kyushu . Its bell , one of the oldest in the country , has been designated a National Treasure , and in 1996 the Ministry of the Environment designated its sound as one of the 100 Soundscapes of Japan . Many statues of the Heian period are Important Cultural Properties .
Fukuoka ( 福岡市 , Fukuoka-shi , Japanese : [ ɸɯ̥kɯꜜoka ] ) is the capital city of Fukuoka Prefecture , situated on the northern shore of the Japanese island Kyushu . It is the most populous city on the island , followed by Kitakyushu . It is the largest city and metropolitan area west of Keihanshin . The city was designated on April 1 , 1972 , by government ordinance . Greater Fukuoka , with a population of 2.5 million people ( 2005 census ) , is part of the heavily industrialized Fukuoka-Kitakyushu zone . As of 2015 [ update ] , Fukuoka is Japan 's sixth largest city , having passed the population of Kobe . In July 2011 , Fukuoka surpassed the population of Kyoto . Since the founding of Kyoto in 794 , this marks the first time that a city west of the Kinki region has a larger population than Kyoto . In ancient times , however , the area near Fukuoka , the Chikushi region , was thought by some historians to have possibly been even more influential than the Yamato region .
Buzen ( 豊前市 , Buzen-shi ) is a city located in Fukuoka Prefecture , Japan . The city was founded on April 10 , 1955 . As of November 1 , 2014 , the city has an estimated population of 26,100 and a population density of 235 persons per km² . The total area is 111.17 km² . The yamamomo ( literally , mountain peach ) is the city 's tree , and the rhododendron is the city 's flower .
Chikujō ( 築上町 , Chikujō-machi ) is a town located in Chikujō District , Fukuoka Prefecture , Japan . As of 31 March 2018 [ update ] , the town had an estimated population of 18,515 . The total area is 119.34 km² .
Kōge ( 上毛町 , Kōge-machi ) is a town located in Chikujō , Fukuoka Prefecture , Japan . The town was founded on October 11 , 2005 , by the merger of the villages of Shin'yoshitomi and Taihei , all from Chikujō District . As of October 1 , 2016 , the town has an estimated population of 7,382 . The total area is 62.40 km² .