Danyang Ondal Cave
Chungcheongbuk-do
Danyang Ondal Cave, located in Chungcheongbuk-do, South Korea, is a limestone cave formed within the Goseong limestone layer of the Joseon Supergroup. The cave stretches about 700 to 800 meters in total length and consists of a main tunnel and five branching side tunnels. Discovered in 1966 and opened to the public in 1975, Ondal Cave is named after the nearby Ondal Fortress, linked to the historical figure General Ondal. The cave's entrance lies along the Namhan River, causing occasional flooding that limits the presence of cave-dwelling organisms. Its interior features numerous stalactites protruding from the ground, while the cave's morphology is relatively simple due to erosion by flowing water. Ondal Cave is part of the Ondal Tourist Complex themed around the Goguryeo period and is designated as Natural Monument No. 261 by South Korea. It holds significant geological value due to its formation along a northwest-trending joint in Cambrian-Ordovician limestone layers and displays notable folding patterns within its rock strata. The cave's serene natural environment and geological features make it a unique destination for visitors interested in natural history and geology.
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Tip: The best time to visit Danyang Ondal Cave is during the warmer months when the Namhan River's water level is lower, reducing the chance of flooding inside the cave. Visitors are advised to check opening hours and consider purchasing tickets in advance during peak tourist seasons at the Ondal Tourist Complex. Comfortable walking shoes are recommended due to uneven cave floors. Guided tours may be available to enhance understanding of the cave's geological and historical significance. Discounts may be offered for groups, seniors, or students, so inquire locally.
Zajímavosti
- •Ondal Cave is designated as Natural Monument No. 261 by South Korea since 1979.
- •The cave formed within Cambrian-Ordovician limestone layers called the Goseong Formation of the Joseon Supergroup.
- •The cave's name derives from the nearby Ondal Fortress, linked to the historical General Ondal.
- •The cave consists of a main tunnel and five side tunnels, totaling approximately 700-800 meters in length.
- •The cave entrance is located along the Namhan River, causing periodic flooding inside the cave.
Historie
Ondal Cave was discovered in 1966 and subsequently opened to the public in 1975.
It is named after the nearby Ondal Fortress, historically associated with General Ondal of the Goguryeo period.
The cave was designated as Natural Monument No.
261 by South Korea on June 21, 1979, recognizing its geological and cultural importance.
Its limestone formations were created through karstic processes along Cambrian-Ordovician limestone layers of the Joseon Supergroup.
Over time, the cave's structure has been shaped by erosion from the Namhan River, leading to its current form.
Průvodce po místě
Main Tunnel
The primary passage of Ondal Cave, extending from the entrance and serving as the main route for visitors. It showcases the cave's limestone formations and structural features shaped by karstic erosion.
Side Tunnels
Five branching tunnels diverging from the main tunnel, offering additional exploration paths within the cave. These tunnels display various limestone features and folding patterns in the rock strata.
Kontakt
Telefon: 043-423-8820