The Zaō Mountains (蔵王連峰, Zaō Renpō), commonly called Mount Zaō, are a complex cluster of stratovolcanoes on the border between Yamagata Prefecture and Miyagi Prefecture in Japan. The central volcano of the group includes several lava domes and a tuff cone, Goshiki-dake, which contains a crater lake named "Okama" (御釜). Also known as the "Five Color Pond" (五色沼, goshiki numa) because it changes color depending on the weather, it lies in a crater formed by a volcanic eruption in the 1720s. The lake is 360 metres (1,200 ft) in diameter and 60 m (200 ft) deep, and is one of the main tourist attractions in the area.
Zaō Mountains | |
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蔵王連峰 | |
Highest point | |
Elevation | 1,841 m (6,040 ft) |
Coordinates | 38°08′28″N 140°26′35″E |
Geography | |
Zaō Mountains Honshu, Japan | |
Geology | |
Mountain type | Complex volcano |
Last eruption | May 1940 |
One striking feature of Zaō's famous ski resorts is the "snow monsters"[citation needed] (樹氷, Juhyō) that appear in mid-winter. Strong wind over the nearby lake fling water droplets which freeze against the trees and their branches, until near-horizontal icicles begin to form. Falling snow settles on the ice formations, and the end result is a grotesque figure of a tree. The effect of a full forest of such trees gives visitors a ghostly impression. Zaō is one of the 100 famous mountains in Japan.
Rotaria rotatoria[1] and Pinnularia spp.[2] are found in the acidic Okama Lake.[3]
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Hokkaidō | |||||||||
Tōhoku region Jōshinetsu region |
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Kantō region | |||||||||
Chūbu region |
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Western Japan | |||||||||
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