Located just over two hours from Kyoto by express train, Toyooka City in northern Hyogo Prefecture is a haven of natural beauty, fully designated as part of the San’in Kaigan UNESCO Global Geopark. With its pristine blue seas, dazzling white beaches, and fascinating geological formations writ with Earth’s history, Hyogo offers an abundance of scenic spots and year-round activities where you can immerse yourself in nature.

The Crystalline Waters of Takeno Beach

Nestled within the San’in Kaigan Geopark, Takeno Beach is renowned for its exceptionally clear waters, referred to as “Takeno Blue” due to their unmatched transparency. This beach, with over a kilometer of natural white sand, is one of the most beautiful in the Kansai region, attracting numerous visitors during the summer.

Takeno Beach offers a range of water activities, including swimming, snorkeling, geo-canoeing, geo-diving, and fishing, making it a perfect destination for adventurers. For those who want to fully enjoy these experiences, an overnight stay in Takeno is best. You can continue your exploration the next day and even unwind with a visit to nearby Kinosaki Onsen or Kasumi Onsen.

Hidden Gems Only Accessible by Sea

To make the most of your San’in Kaigan Geopark adventure, the Kasumi Geo Taxi boat ride is a must-try. The tour brings you up close to the strange and beautiful rock formations and sea caves carved by the wild waves of the Sea of Japan. If you’re not a strong swimmer and simply looking for a more relaxed way to explore, the geo taxi offers an accessible way to experience these natural wonders.

The geo taxi tours come in 30-minute and 60-minute courses. Departing from Takeno Port, the guided tour takes you along the coastline to explore the stunning scenery, making stops at various natural landmarks. As capacity is limited to smaller groups, you can enjoy the intimate experience of nature in a more private setting.

The first major stop on the tour is the Yodo Sea Cave, formed by constant erosion by the Sea of Japan’s rough waters. This natural arch is 24 meters wide and 13.8 meters high, with a depth of around 40 meters. The geo taxi or geo-canoes are the only way to enter the cave and explore its depths.

The highlight of the geo taxi tour is the Seiryu Sea Cave, often dubbed the “Blue Grotto” of the Sea of Japan. This secluded wonder is only accessible by sea, and navigating through the narrow waterway between towering rock walls is quite the thrill!

As you reach the inner chamber of the cave, sunlight streams down from an opening in the ceiling, illuminating the water in vibrant shades of emerald green and cobalt blue. The awe-inspiring beauty of this natural spectacle is a secret witnessed by those who venture deep into the cave.

Among the array of idiosyncratic rock formations along the coastline, one of the most striking is Hasakari Rock. Formed when the roof of a sea cave collapsed, a massive boulder became wedged between two towering pillars of rock, seemingly defying gravity as it hangs in place. Because the rock doesn’t fall or drop, it has become a symbol of perseverance and is worshiped as a talisman for not dropping out and success in exams and other hurdles.

In addition to the geo taxi, Takeno also offers geo-canoeing and diving, allowing visitors to explore the area’s unique coastal geology and vibrant underwater life from a variety of novel perspectives.

Transport Yourself Back in Time in the Historic Town of Takeno

Facing the Sea of Japan, Takeno thrived as a bustling port town from17th century to 19 the century, serving as a key stop for the merchant ships of the Kitamaebune trade route. Many of the town’s traditional houses are clad in black walls of charred cedar, a technique used to protect against the salty, sand-laden coastal winds, lending the town its unique and historic atmosphere.

The narrow, maze-like streets of Takeno have remained untouched by modern urban planning, allowing visitors to feel as if they’ve stepped back in time.

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The Majestic Views of Genbudo Park

Genbudo is an ancient cave formation created around 1.6 million years ago. Lava that flowed from a volcanic eruption cooled and solidified into striking hexagonal columns, known as columnar joints, which can be seen in five distinct caves at the historic site. Genbudo is also famous as the place where the phenomenon of reverse magnetization was first discovered, making it a site of both geological and historical significance.

Nearby, visitors can enjoy a scenic boat ride down the Maruyama River, which is home to a wide variety of wild birds. The river offers views only accessible by boat—if you’re lucky, you might even spot a rare stork in its natural habitat.

At the entrance to Genbudo Park, the Genbudo Museum offers exhibits on the geology of the San’in Kaigan Geopark, as well as a collection of minerals and fossils from around the world. The museum also provides a hands-on experience in Toyooka Kiryu (wicker) basket weaving, a traditional craft preserved in the region.

For lunch, visitors can try an onigiri rice ball set served in one of the locally made Toyooka baskets, available at the museum restaurant (minimum three-day advance reservation required).

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A Treasure Trove of Year-Round Enjoyment at the Kannabe Highlands

The Kannabe Highlands in northern Hyogo is a popular resort area, just two and a half hours from Osaka or Kobe. Known for its year-round activities, Kannabe offers a range of outdoor experiences for every season.

The unique landscape of Kannabe Highlands was shaped by the lava flows from the eruption of Mt. Kannabe, which is part of the San’in Kaigan Geopark. One of the area’s highlights is its series of waterfalls, large and small, that cascade through scenic gorges. Don’t miss out on the Volcanic Rock Trekking experience, where participants can hike over the ancient volcanic terrain.

The trekking trails are mostly flat, making for a relaxing and enjoyable hike. Along the way, adventurers can wade through streams, swing on ropes, climb tree vines, and take advantage of the natural “playground” created by the lava flow.

In winter, the Kannabe Highlands transform into a popular skiing and snowboarding destination, with three ski resorts in the area. For those looking for a more laid-back experience in the snow, snowshoeing is a great option. The local outdoor school offers guided snowshoeing tours through private, untouched areas, where you can walk on pristine snow, dive into soft powder, or simply relax and observe animal tracks. Knowledgeable local guides are also on hand to share tips and insights into the best ways to enjoy the winter wonderland.

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