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Japanese Alps

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The Japanese Alps are a series of massive mountain ranges located in central Honshu. Honshu is the main island of Japan. These mountains are significant because they contain some of the highest peaks in the country. In fact, these peaks are the tallest in Japan after Mount Fuji. The ranges serve as a major natural landmark and a site for many different human activities. They have provided raw materials like timber, fuel, and minerals for local people for a long time. They also offer medicine, fertilizer, and fodder from the land.

These mountains are divided into three distinct groups based on their location and names. The first group is the Hida Mountains, often called the Northern Alps. These stretch through the prefectures of Nagano, Toyama, and Gifu, with a small part in Niigata. The second group is the Kiso Mountains, also known as the Central Alps. These are located within the Nagano prefecture. The third group is the Akaishi Mountains, known as the Southern Alps. These span across Nagano, Yamanashi, and Shizuoka prefectures.

Reverend Walter Weston
Reverend Walter Weston

For centuries, the mountains have been a place of spiritual importance. Buddhist monks and Shugenja, who are practitioners of mountain asceticism, have used these peaks for religious training since ancient times. Many people have traveled on pilgrimages to visit sacred spots like the peak of Mount Tate. Even Mount Tsurugi has a deep history of human presence. In 1907, climbers found a metal sword and a cane ornament on its summit. Scientific tests showed these items dated back to the late Nara or early Heian periods. This proves that Shugenja had climbed the mountain more than 1,000 years ago.

Early exploration of the ranges was often difficult and dangerous. In the winter, the Hida Mountains are one of the heaviest snowfall areas in the world. A famous historical crossing occurred in the winter of 1584. The forces of the daimyō Sassa Narimasa crossed the mountains via Zara Pass and Harinoki Pass. This event is remembered as "Sarasara-goe." Later, from the 1600s to the 1800s, samurai officers from the Kaga domain conducted surveys called Okuyama-mawari. They traveled with local hunters and farmers to map ridges, valleys, and vegetation to help preserve the timber.

The modern name "Japanese Alps" was created by an English archaeologist named William Gowland. He viewed the terrain as a single, coherent landscape similar to the European Alps. Gowland was the first documented foreigner to climb two of the peaks, Mount Yari and Mount Norikura. Later, a Christian missionary named Walter Weston popularized the term. Weston used Gowland's notes to explore many mountains, including Mount Shirouma and Mount Hotaka. He helped document the two main systems based on geological structure. He called one the "China system" and the other the "Karafuto system."

Access to the mountains changed greatly during the mid-20th century. Between the 1960s and 1970s, new transportation infrastructure was built. This made it much easier for climbers and tourists to reach popular areas. The Komagatake Ropeway opened in 1967. The Shinhotaka Ropeway opened in 1970. Finally, the Tateyama Kurobe Alpine Route fully opened in 1971. These developments transformed the mountains into a major destination for visitors. A memorial plaque for Walter Weston can be seen at Kamikōchi, a popular tourist spot known for its alpine climate.

Reverend Walter Weston
Reverend Walter Weston

Recent scientific discoveries have added to our understanding of the Japanese Alps. For a long time, geographers believed there were no active glaciers in Japan. However, the Japanese Society of Snow and Ice proved this wrong in May 2012. By studying Mount Tsurugi, they found perennial snow patches with ice masses over 30 meters thick. These are classified as active glaciers. As of 2019, there are seven active glaciers in all of Japan. Remarkably, all seven of these glaciers are located within the Japanese Alps.

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