Unveiling the Mysteries of Volcanic Majesty: Exploring Jeju Island and Its Enigmatic Tunnels

Nature has an uncanny way of shaping our world, crafting landscapes that evoke awe and wonder. Among these geological wonders are volcanic islands, jewels born from the belly of the Earth itself. One such gem, Jeju Island, located off the southern coast of South Korea, stands as a testament to the dynamic forces that have shaped our planet over millions of years. Embarking on a journey to Jeju means delving into the heart of volcanic majesty and unearthing its secrets, including the intriguing tunnels that weave through its underground realm.


Legend has it that a trio of demigods emerged from Samseong, a region believed to have nestled within the northern slopes of Mt. Halla. These illustrious figures are said to be the progenitors of the Jeju people, who went on to establish the remarkable Kingdom of Tamna.

Moreover, historical accounts suggest that among these figures were three brothers, including Ko-hu. These siblings, hailing from the lineage of Koulla, one of the ancestral figures of the Jeju populace, were accorded recognition by the Silla court. This recognition marked the formal establishment of the name “Tamna” and was accompanied by the Silla court’s conferral of official government titles such as Commander, Prince, and Governor upon the trio. Nevertheless, records do not provide definitive evidence regarding the exact emergence of the “Three Names” (Samseong-Ko, Yang, and Pu) or the precise date of Ko-hu and his brothers’ reception by Silla. The emergence of the “Three Names” and the foundational period may be inferred to have transpired during the Three Kingdoms (Goguryeo, Baekje, and Silla) era on the Korean mainland.

Subsequently, during the reign of Taejo, the Goryeo founder, efforts were made to establish a similar relationship between Goryeo and Tamna as had existed between Tamna and Silla. However, Tamna resisted this position, leading to a Goryeo military intervention aimed at compelling Tamna to comply. In 938, Ko ja-gyeon, Tamna’s chief, submitted to Goryeo’s authority, sending his son, Prince Mallo, as a de facto hostage to Goryeo’s court. In 1105, during King Sukjong’s 10th year, the name “Takna” was abolished by the Goryeo court, giving rise to the designation “Tamna-gun” (district), and Goryeo officials were dispatched to manage the island’s affairs.

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As history progressed, Tamna-country transitioned to Tamna-county in 1153, under the rule of King Uijong. Choi Cheok-kyeong was appointed as Tamna-Myeong or Chief of Tamna during this period. Eventually, under the reign of Gojong of Goryeo, Tamna underwent a renaming, becoming known as “Jeju,” signifying the “province across the sea.”

In 1271, General Kim Tong-jeong led the remnants of his Sambyeolcho force in a daring escape from Jindo. They established the Hangpadu Fortress at Kwiil-chon, continuing their valiant struggle against the joint forces of the Korean government and Mongolian army. Despite their resilience, within two years, the Sambyeolcho faced overwhelming odds, ultimately leading to their annihilation.

Following the suppression of the Sambyeolcho Rebellion by Yuan authorities, Tamna prefectures were created, serving as grazing grounds for horses until 1356.

During the Joseon Dynasty (1392-1910), the islanders of Jeju were treated as outsiders. Jeju itself became associated with horse breeding and the exile of political prisoners. The 17th Century witnessed an edict by Injo of Joseon, forbidding islanders from venturing to the Korean mainland. Consequently, this led to several notable uprisings among Jeju islanders, including the Kang Je Geom Rebellion (1862), Bang Seong Chil Rebellion (1898), and the Lee Jae Su Rebellion (1901).

Throughout its intricate history, Jeju Island has been shaped by a series of events that reflect both the tenacity of its people and the complex tapestry of political, social, and environmental forces that have shaped its trajectory.

A Dance of Fire and Earth: The Birth of Volcanic Islands

Volcanic islands, like Jeju, are geological marvels that emerge from the intersection of fire and earth. Beneath the surface, molten rock surges and shifts, creating a pressure cooker environment that eventually bursts forth in spectacular eruptions. These eruptions release lava, ash, and gases, which cool and solidify over time, forming islands of unique beauty and character.

Jeju Island is a living testament to this geological dance. Its origins date back millions of years when volcanic activity sculpted its landscape. The island’s main feature, Hallasan, is a dormant shield volcano that proudly dominates the island’s core. The rich volcanic soil has nurtured a lush ecosystem and a vibrant cultural heritage, making Jeju a UNESCO-designated Global Geopark and a cherished destination for explorers and nature enthusiasts.

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Unraveling Jeju’s Enchanting Charms

Jeju Island is more than just a volcanic wonderland; it’s a tapestry woven with diverse elements. From its stunning coastline and dramatic cliffs to its lush forests and idyllic villages, Jeju’s landscape is a canvas that bears the brushstrokes of nature’s creativity. The island boasts an array of attractions that cater to every traveler’s whim.

Venturing along Jeju’s coastline, visitors encounter a symphony of geological formations. The awe-inspiring Jusangjeolli Cliff showcases hexagonal basalt columns, a result of lava cooling and contracting over time. Seongsan Ilchulbong, or “Sunrise Peak,” offers a rewarding hike to its summit, revealing a volcanic crater adorned with rare vegetation.

Jeju’s Intriguing Underground World: Tunnels and Caves

As captivating as its surface may be, Jeju’s secrets also extend beneath the ground. The island is riddled with tunnels and caves that speak to its volcanic past. These subterranean wonders are as enigmatic as they are enthralling, offering glimpses into the island’s geological history.

The Manjanggul Cave is a prime example of Jeju’s underground allure. This UNESCO-listed natural monument boasts an intricate network of tunnels adorned with stalactites and stalagmites. As visitors meander through its chambers, they’re treated to a visual spectacle that took eons to craft. The otherworldly beauty of Manjanggul Cave is a testament to the transformative power of geological forces.

Delving Deeper: The Lava Tubes of Jeju

While Manjanggul Cave is a captivating glimpse into Jeju’s underground realm, the island has even more to offer in the form of lava tubes. These tunnels are a unique consequence of volcanic activity, where flowing lava carved intricate passages beneath the surface.

One of the most famous lava tubes is the Gimnyeong Maze Lava Tube. This labyrinthine marvel challenges visitors to navigate its twists and turns, revealing hidden chambers and geological wonders along the way. The tube’s eerie tranquility and geological formations create an otherworldly ambiance that sparks the imagination.

Jeju’s Tunnels: A Window to the Past

Jeju’s tunnels and caves are more than geological curiosities; they hold insights into the island’s past and its inhabitants. Archaeological excavations have revealed artifacts and evidence of human habitation within these underground spaces. These findings provide a glimpse into the lives of those who sought refuge or used the tunnels for various purposes throughout history.

Beyond their historical significance, Jeju’s tunnels also serve as a reminder of the enduring relationship between humans and the natural world. They stand as a testament to our ability to adapt and coexist with the Earth’s ever-changing landscapes.

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Cultural Significance and Contemporary Exploration

Jeju’s volcanic tunnels hold a unique place in the island’s cultural tapestry. The caves and lava tubes have not only inspired awe and wonder but have also become venues for cultural events and exhibitions. From art installations that utilize the natural formations as backdrops to educational initiatives that teach visitors about the island’s geological history, Jeju’s tunnels continue to captivate and educate.

Contemporary exploration of Jeju’s tunnels goes beyond their geological and historical aspects. Adventurous souls can embark on guided tours that take them deep into the heart of the island’s underground world. These experiences offer a sense of adventure and discovery as visitors navigate the passages, marvel at the formations, and connect with the island’s ancient past.

Preserving the Past for the Future

As we journey into the heart of Jeju’s volcanic majesty, it’s essential to recognize the importance of responsible tourism and conservation. These tunnels and caves are delicate ecosystems that have developed over thousands of years. Preservation efforts, guided exploration, and sustainable practices ensure that these underground wonders remain intact for generations to come.

In Conclusion: A Subterranean Symphony of Beauty and History

Jeju Island is more than a travel destination; it’s an odyssey through time, a journey that takes us from the fiery depths of volcanic creation to the tranquil embrace of its subterranean tunnels. This geological masterpiece invites us to contemplate the power of nature, the resilience of life, and the interplay between the elements that have shaped our world.

As we explore Jeju’s volcanic island and traverse its enigmatic tunnels, we’re reminded of the Earth’s intricate dance of creation and transformation. It’s a reminder that beneath the surface of our everyday lives lies a world of mysteries waiting to be unveiled—a world that speaks of the past, present, and the boundless wonders of the future.

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Mohamed SAKHRI
Mohamed SAKHRI

I am Mohamed SAKHRI, the creator and editor-in-chief of this blog, 'Discover the World – The Blog for Curious Travelers.' Join me as we embark on a journey around the world, uncovering beautiful places, diverse cultures, and captivating stories. Additionally, we will delve into mysterious and, at times, even bizarre destinations.

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