
From the foot of Nam Blang volcano, visitors take about 20 - 30 minutes to walk through a 1.5 km long road to reach the entrance of C9 cave. The cave is nearly 217 m long, about 20 m deep with 2 natural entrances. The North entrance is a sinkhole 35 - 40 m wide, 7 - 8 m deep, while the South entrance is smaller with a diameter of about 25 m, 3 - 4 m deep, creating a spectacular entrance for the journey of discovery .

Being a lava cave located near the source of the eruption, C9 cave is wide, high and has a circular cross-section, gradually expanding from the south to the north. The cooled lava blocks, hidden between the basalt layers, have created a wild and mysterious landscape like a sedimentary painting of time.

Inside, visitors can admire countless lava rocks and volcanic bombs - vivid traces of lava flows. After millions of years of weathering and weathering, C9 cave possesses a unique beauty, both majestic and pristine.

Visitors are not allowed to visit C9 cave on their own, but must have the guidance of specialized staff or tour guides, support experts. This is to protect the area and ensure the safety of visitors.
Source: https://baolamdong.vn/kham-pha-ve-dep-hang-dong-c9-386207.html
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