Discover Geommeolle Cave on Udo Island
Hidden on Udo Island, just off the eastern coast of Jeju, Geommeolle Cave is a stunning testament to volcanic geology. Recognized as the seventh of the famous “Udo 8 Scenic Spots,” this coastal cave features a dramatic black sand beach formed by ancient lava flows. Its surreal rock formations and inlets create an otherworldly atmosphere that captures the imagination of every visitor.
A Geological Marvel: The Black Sand Beauty
The name “Geommeolle” literally means “black sand,” and as you approach the shoreline, you’ll see why. The dark, fine-textured sand contrasts sharply with the azure waters of the Korea Strait, offering a striking backdrop for photography enthusiasts. The cave walls, sculpted by centuries of wave action, reveal layers of volcanic tuff and basalt, showcasing Jeju’s dynamic geological history.
Planning Your Visit: How to Get There
To reach Geommeolle Cave, start from Seongsan Port on Jeju Island. Take an intercity bus from Jeju City to Seongsan, then hop on a ferry to Udo Island. Once you arrive, local shuttle buses, rental bicycles, or electric mini-cars can take you directly to the cave entrance. The journey from Seongsan Port to Udo Island takes about 15 minutes by ferry and 20 minutes by bus on the island.
What to Expect at Geommeolle Cave
Whether you’re traveling solo, with family, or as a couple, Geommeolle Cave offers something for everyone. Children love wading in the shallow tide pools and discovering quirky rock shapes, while adults can relax on the black sand beach and enjoy panoramic sea views. Don’t forget your camera—sunrise and sunset light up the cave in golden hues, creating unforgettable photo opportunities.
Useful Information and Tips
Location: Udo-myeon, Jeju-si, Jeju Special Self-Governing Province, South Korea
Admission: Free, open daily
Contact: Jeju Tourism Information Center +82-64-740-6000
For more detailed travel tips, accommodation options, and insider guides to Jeju Island, visit the Jeju Island Traveler Guide 2025.
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