Bōsō Hill Range

Bōsō Hill Range
Bōsō-kyūryō

Landsat image of Bōsō Hill Range from Space Shuttle
Highest point
Elevation 408.2 m (1,339 ft)
Naming
Pronunciation [Bōsōkyūryō]
Geography
Location Chiba Prefecture, Honshu, Japan

The Bōsō Hill Range (房総丘陵 Bōsō-kyūryō) is a mountain range on the Bōsō Peninsula of Chiba Prefecture, Japan. The highest point in the Bōsō Mountain Range is at Mount Atago, with an altitude of 408.2 m (1,339 ft). The hill range runs from roughly in a line from Mobara or Ōamishirasato to Kisarazu, but is not formally defined. It is an important part of the Minami Bōsō Quasi-National Park.[1]

Geography

The Bōsō Hill Range is still extensively wooded. The area from the Yōrō Ravine to Mount Seichō is noted for its forests of live oak. The hill range also has noted forests of oaks, chestnut, Japanese cedar (Cryptomeria), and various species of evergreen. The hill area around Tateyama is noted for its forests of castanopsis trees, a genus of evergreens belonging to the beech family.[2]

History

Premodern history

The Bōsō Hill Range was settled from the earliest periods of Japanese history. The Yōrō Ravine in present-day Ōtaki, Chiba is home to Jōmon period remains. Kofun tumuli were built across the entire hill range in the Kofun period, but Futtsu and Ichihara have especially rich examples of tumuli. Under the Taika Reform of 645, during the Asuka period, the hill range became part of three provinces, Shimōsa Province to the north, Kazusa Province in the middle part of the range, and Awa Province to the south. The hill range is noted for its richness of castles built during the Sengoku period as part of medieval conflicts.

Modern history

The provinces endured until Chiba Prefecture was established at the end of the 19th century in the Meiji period. The Bōsō Hill Range provided a natural fortification against air attack of Tokyo during World War II, when the 252 Air Group of the Imperial Japanese Navy (IJN) built the Mobara Air Field in 1941 in Mobara. After the war land reform was carried out in the region. The eastern part of the hill range saw major economic development as part of the greater Metropolitan Tokyo region.

Economy

The hill range was known for charcoal production in the past. The hill range is still home to many dairy farms. Numerous golf courses were developed in the hill region, and recreational facilities continue to be developed in the area. The hill range is popular as a hiking destination.

Important mountains

Mountain Japanese name Altitude Location
Mount Atago 愛宕山 408.2 m (1,339 ft) Minamibōsō
Mount Seichō 清澄山 377 m (1,237 ft) Kamogawa
Mount Iyogatake 伊予ヶ岳 337 m (1,106 ft) Minamibōsō
Mount Tomi 富山 350 m (1,148 ft) Minamibōsō
Mount Takagoya 高宕山 330 m (1,083 ft) Kimitsu and Futtsu
Mount Nokogiri 鋸山 329 m (1,079 ft) Kyonan and Futtsu, Chiba|Futtsu
Mount Saga 嵯峨山 315 m (1,033 ft) Kyonan and Futtsu, Chiba|Futtsu
Mount Mitsuishi 三石山 282 m (925 ft) Kimitsu
Mount Otozure 音信山 186 m (610 ft) Ichihara
Mount Mifune 三舟山 138.7 m (455 ft) Kimitsu and Futtsu, Chiba|Futtsu

References

  1. ↑ "Boso-kyūryō". Dijitaru daijisen (デジタル大辞泉 “Digital Dictionary”). Tokyo: Netto Adobansusha. 2011. http://rekishi.jkn21.com/. Retrieved 2011-11-09.
  2. ↑ Nihon Daihyakka Zensho (Nipponika) (日本大百科全書(ニッポニカ) “Large Encyclopedia of Japan (Nipponika)”). Tokyo: Netto Adobansusha. 2011. http://rekishi.jkn21.com/. Retrieved 2011-11-22.

Coordinates: 35°06′53″N 139°59′12″E / 35.1147°N 139.9867°E / 35.1147; 139.9867

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