Midagahara

Japanese: 弥陀ヶ原 - みだがはら
Midagahara

A lava plateau spreading to the west of Mt. Tateyama in the southeastern part of Toyama Prefecture. The plateau was formed by pyroclastic flows from the second active period of the old Tateyama volcano, and subsequent volcanic mudflows are on top of it. It is eroded by the Shomyo River on the north side and the Joganji River on the south side, and in a broad sense, it refers to about 9 kilometers from Murododaira (2,450 meters) in the east to Bijodaira (1,000 meters) in the west, but in a narrow sense, the widest area in the center is called Midagahara. It is about 2 kilometers from north to south, and the highest point is 2,621 meters. It is a high-altitude marsh zone with communities of numagama and Iwaichou, and is dotted with ponds called gakida. Aomoridomatsu and Erman's birch can be seen on the slopes. The Tateyama Kogen bus road runs through it.

[Saburo Fukai]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

富山県南東部、立山(たてやま)の西側に広がる溶岩台地。古立山火山の第二活動期の火砕岩流によって形成された台地で、その上にその後の火山泥流がのっている。北側を称名(しょうみょう)川、南側を常願寺(じょうがんじ)川によって侵食され、広義には東の室堂平(むろどうだいら)(2450メートル)から西の美女平(びじょだいら)(1000メートル)に至る約9キロメートルをいうが、狭義には中央のもっとも広い地域を弥陀ヶ原とよぶ。南北は約2キロメートルで、最高点は2621メートル。ヌマガマ、イワイチョウ群落の高層湿原帯で、餓鬼田(がきだ)とよばれる池塘(ちとう)が分布している。斜面にはアオモリトドマツ、ダケカンバがみられる。立山高原バス道路が通じる。

[深井三郎]

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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