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A Short Journey Through History and Nature in Sanyō and San’in

Published: 2026-11-09 👁 100 views
Last updated 2026-11-09 — The Chūgoku region of Japan, also known as Sanyō and San’in, may not be as well-known as Tokyo or Kansai, but mention spots like Hiroshima, Itsukushima Shrine, and Izumo Taisha, and most people will recognize them. The Sanyō and San’in regions...

Written by MOOK Editorial Department, Reported by Ren Xiang
 
The Chūgoku region of Japan, also known as Sanyō and San’in, may not be as well-known as Tokyo or Kansai, but mention spots like Hiroshima, Itsukushima Shrine, and Izumo Taisha, and most people will recognize them. The Sanyō and San’in regions are located at the western end of Japan’s main island Honshu. The Chūgoku Mountain Range divides the area into southern and northern parts. The sunlit southern side, facing the Seto Inland Sea, is called Sanyō and includes Yamaguchi, Hiroshima, and Okayama prefectures. The less sunny northern side, facing the Sea of Japan, is called San’in and comprises Tottori and Shimane prefectures.
 

Itsukushima Shrine, located offshore near Hiroshima, has long been regarded as an island inhabited by a goddess. (Image provided by MOOK Editorial Department)

World Heritage Pilgrimage
 
The Chūgoku region is home to three cultural World Heritage Sites, each representing a different era—ancient, past, and modern. The most famous is Hiroshima Peace Memorial Park. During World War II, the cities of Hiroshima and Nagasaki in Japan were hit by atomic bombs, making Japan the only country in the world to have suffered nuclear attacks. Many innocent lives were lost. To convey the importance of peace, the explosion site within Hiroshima Peace Park was designated a World Heritage Site in 1996.
 
Itsukushima Shrine
The origins of Itsukushima are closely tied to Itsukushima Shrine. Legend has it that the island is sacred and was chosen by the gods. When Empress Suiko ascended the throne in 593 AD, construction of the shrine began on Itsukushima. Later, Taira no Kiyomori, who served as the governor of Aki Province and was a member of the powerful Taira clan, expanded and renovated the shrine in the grand style of Heian-period architecture. This gave the shrine its current appearance. The most iconic feature is the floating O-Torii Gate. In ancient times, boats approached from the sea, and worshippers would pause outside the gate to symbolically gain the gods’ permission before entering. Recognized as one of Japan’s Three Great Views, this vermilion wooden structure stands several stories tall, supported by centuries-old sacred trees. Gold leaf decorates the sun on the eastern wing and the moon on the western wing. Whether viewed for its grandeur or intricate detail, the O-Torii Gate is undoubtedly a world wonder. Its immense, serene beauty is truly awe-inspiring, especially when seen up close.
In December 1996, UNESCO designated Itsukushima Shrine, Mount Misen behind it, and parts of the surrounding sea as World Heritage Sites, covering about 14% of the island. Today, Itsukushima remains a sacred place, visited by many pilgrims and tourists. The shrine is not only a landmark of Hiroshima but also a prime example of the integration of Shinto beliefs and nature.
 

At high tide, the O-Torii Gate and the shrine’s main hall appear to float on the sea. Bathed in the sunset, it truly lives up to its title as one of Japan’s Three Great Views. (Image provided by MOOK Editorial Department)

Hiroshima Peace Memorial Park
On August 6, 1945, at 8:15 AM, the first atomic bomb in human history was dropped on central Hiroshima, exploding 580 meters above the ground. One second after detonation, everything within a 280-meter radius of the blast was exposed to temperatures of 5,000°C—nearly 2.7 times the melting point of iron (around 1,500°C). The intense heat and blast wave destroyed nearly everything within a 3-kilometer radius, and almost flattened everything within 2 kilometers. Many citizens lost their lives. Due to the extreme heat, victims sought relief by rushing to rivers to drink water, unknowingly ingesting large amounts of radiation, which accelerated their deaths.
The only building left standing just 160 meters from the hypocenter was the Hiroshima Prefectural Industrial Promotion Hall, built in 1915 by renowned Czech architect Jan Letzel. The superheated blast and radiation killed all employees inside, but the building miraculously survived. The shattered dome serves as a stark reminder of the bomb’s terrifying power. In 1996, the Atomic Bomb Dome was inscribed on the UNESCO World Heritage List and has since become the most iconic landmark in Hiroshima.
 
Iwami Ginzan Silver Mine
Famous as a World Heritage Site, Iwami Ginzan Silver Mine is best known for its well-preserved mining sites and historic towns that tell the story of battles over silver during Japan’s Warring States period. The Iwami Ginzan World Heritage Center is also a popular attraction, featuring educational exhibits on the mine’s history and operations. Visitors can even rent bicycles to explore the area.
 

After the war, at the request of the public, the government designated this area, surrounded by two rivers, as a memorial park and installed a large fountain to honor the victims. (Image provided by MOOK Editorial Department)

Four Famous Cherry Blossom Spots
 
The historically rich Sanyō and San’in regions are dotted with castles, temples, and old streets, resulting in numerous cherry blossom viewing spots. The areas around castles, rivers, and lakes are particularly stunning, with beautiful cherry blossoms planted throughout. When spring breezes blow, petals gently fall onto the water or grass, adding poetic charm to the season.
 
Matsue Castle
The elegant and majestic Matsue Castle is a landmark of Matsue City. It was built over five years starting in 1611 by the first lord, Horio Yoshiharu, with the help of skilled craftsmen. The black-walled keep stands 30 meters tall and primarily served a defensive function. To confuse enemies, it appears to have five floors from the outside but actually has six. For nearly 400 years, it has stood watch over the thriving castle town and is designated as an Important Cultural Property. Like other historic castles, Matsue Castle is also a popular cherry blossom spot. The romantic blossoms soften the castle’s solemn presence, and the evening illuminations give it a gentle glow, mesmerizing all visitors.
 
Hagi Dam
Hiroshima also has a hidden gem for cherry blossom enthusiasts. Hagi Dam in the northern mountainous area of Hiroshima is surrounded by around 6,000 cherry trees. In mid-April, these pink blossoms bloom along the riverbanks, painting the surroundings in soft hues. Families gather on the lawns for picnics, enjoying the peaceful atmosphere. Occasionally, fountains shoot water into the air, creating a dazzling scene with the falling petals.

Matsue Castle is a famous cherry blossom spot, where romantic blooms complement the castle’s solemn beauty. (Image provided by MOOK Editorial Department)

Senjoji Park
Listed among Japan’s “Top 100 Cherry Blossom Spots,” Senjoji Park is covered with about 10,000 cherry trees. When they bloom simultaneously, the pale pink blossoms blanket the hillsides, and the park’s structures, including Senjoji Temple, seem to be submerged in a sea of flowers. When the spring breeze rustles through, the heavily laden branches sway beautifully, creating an unforgettable sight.
 
Kintai Bridge
Every spring, the Nishiki River is lined with blooming cherry trees, creating a sea of soft pink. Kikko Park, the vast green space between Yamaguchi Castle and Kintai Bridge, is planted with 3,000 cherry trees. During the blooming season, the park attracts many visitors who relax and picnic under the blossom-covered trees. The 3,000 Somei Yoshino cherry trees sway gracefully in the valley breeze, charming and delightful. Locals have grafted new branches onto aging trees to rejuvenate the blossoms, enhancing their shape and foliage. On summer nights, the river hosts cormorant fishing and fireworks displays, creating a lively festival atmosphere. Whether you’re here for the cherry blossoms or fireworks, arrive early—especially during peak bloom when crowds fill the area by noon. Try to get there before the locals enjoy their hanami bentos to avoid the rush.
 

Kintai Bridge spans the Nishiki River and is celebrated for its graceful design. There’s a saying: “Mount Fuji is the mountain, Nachi Falls is the waterfall, and Kintai Bridge is the bridge.” (Image provided by MOOK Editorial Department)

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