Unique "floating" lake inside a cave in Quang Binh

Đan Thanh |

The Floating Lake in Thung Cave has become a new unknown on the Quang Binh tourism map, with an estimated depth of 6.5m. The water source is unknown but is full throughout the summer.

He thong hang Hung Thoong la mot trong nhung noi hoang so bac nhat, nam trong khu vuc duoc bao ve nghiem ngat cua Vuon quoc gia Phong Nha - Ke Bang. Hien tai Hung Thoong da di vao khai thac du lich voi cac tour tham hiem co nhieu cap do de toi kho.
Hung Thoong cave system is one of the most pristine places, located in the strictly protected area of ​​Phong Nha - Ke Bang National Park. Currently, Hung Thoong has been exploited for tourism with many levels of exploration from easy to difficult. Photo: Le Luu Dung
Theo ong Le Luu Dung, giam doc cong ty Jungle Boss, mot don vi chuyen tour du lich mao hiem o Quang Binh, vao thang 5 vua qua khi mot doan tham hiem hang Thung thuoc he thong hang dong Hung Thoong da phat hien ra ho Lo Lung.
According to Mr. Le Luu Dung, director of Jungle Boss Company, an adventure tour company in Quang Binh, last May, when an expedition team explored Thung Cave in the Hung Thoong Cave system, they discovered Lo Lung Lake. Photo: Le Luu Dung
Mot thanh vien trong doan khi du day xuong ho sut hang Thung di chuyen qua phia song ngam cua hang nay va chieu den thay khoang toi menh mong ma anh den khong toi duoc. Sau do, men theo hem da lung chung vach hang thi tiep can ho nuoc bi an. Hem da dan vao ho ve sau co ten hem Lung Chung.
A member of the group, while climbing down the rope into the sinkhole of Thung cave, moved through the underground river of this cave and shined a flashlight to see the vast darkness that the flashlight could not reach. Then, following the rocky gorge halfway up the cave wall, they approached the mysterious lake. The rocky gorge leading to the lake was later named Lung Trung Gorge. Photo: Le Luu Dung
Ho Lo Lung nam o do cao lung chung hang, muc nuoc khi do cao hon dong song ngam hang Thung khoang 15m. Tren mat ho co nhieu cot thach nhu khong lo nhin nhu dang troi lo lung nen ho duoc dat ten theo dac diem nay.
The Floating Lake is located halfway up the cave, the water level is about 15m higher than the underground river of Thung Cave. On the surface of the lake there are many giant stalactites that look like they are floating, so the lake is named after this feature. Photo: Le Luu Dung
Ho nuoc moi duoc phat hien trong hang Thung nay co cau tao dang ham ech. Phia tren mat ho dien tich nho hon phan day ho. Mat ho rong khoang 100m2 con day theo ong Dung chua do duoc vi muc nuoc sau chung 6,5m. “Do sau nay duoc danh gia la rat bat thuong voi mot ho canxi trong hang dong, binh thuong cac ho canxi chi sau khoang 2 - 3m” ong Dung cho biet.
The newly discovered lake in Thung Cave has a frog-shaped structure. The surface of the lake is smaller than the bottom of the lake. The surface of the lake is about 100 square meters wide, but the bottom has not been measured because the water level is about 6.5 meters deep. "This depth is considered very unusual for a calcium lake in a cave, normally calcium lakes are only about 2 - 3 meters deep," said Mr. Dung. Photo: Le Luu Dung
Ho Lo Lung cung nhu cac ho canxi trong hang dong khac xuat hien trong qua trinh hinh thanh hang dong. He thong da voi va cac khoang chat xuyen qua tran hang sau hang tram ngan nam da tao nen cac loai thach nhu va ho canxi cung la mot dang thach nhu hang dong.
The Floating Lake, like other cave calcium lakes, appeared during the formation of the cave. The limestone system and minerals that penetrated the cave ceiling after hundreds of thousands of years created stalactites and the calcium lake is also a type of cave stalactite. Photo: Le Luu Dung
Tuy nhien, diem dac biet cua ho Lo Lung la do sau va vi tri cua no. Theo ong Dung, quan sat trong suot mua he vua roi thi da so cac ho canxi khac trong hang Thung deu can nuoc, nhung rieng ho Lo Lung khong can. Vi the thoi diem nao kham pha hang Thung du khach cung co the trai nghiem ho nay.
However, the special feature of Lo Lung Lake is its depth and location. According to Mr. Dung, observing during the past summer, most of the other calcium lakes in Thung Cave were dry, but Lo Lung Lake was not dry. Therefore, at any time of exploring Thung Cave, visitors can experience this lake. Photo: Le Luu Dung
Ho Lo Lung co mau nuoc xanh ngoc bich dep huyen ao. Kong chi mang den trai nghiem doc dao cho du lich mao hiem, ho nuoc nay con chua dung nhieu gia tri ve nghien cuu dia mao dia chat hang dong Quang Binh.
The Floating Lake has a magical, emerald green water color. Not only does it provide a unique experience for adventure tourism, this lake also holds many values ​​for geomorphological research on caves in Quang Binh. Photo: Le Luu Dung
Hien tai du khach co the tiep can ho Lo Lung bang cach duy nhat la di bo vao khu cam trai hung Thoong, tiep tuc di bo vao ho sut hang Thung, du day 25m xuong ho sut roi men theo hem Lung Chung. Du khach co the kham pha ho Lo Lung cung nhu kham pha hang Thung quanh nam tru nhung ngay mua bao va muc nuoc dang cao. Hang nam mua mua lut o Phong Nha - Ke Bang, Quang Binh se roi vao cuoi thang 9 va thang 10.
Currently, visitors can only access Lo Lung Lake by walking into the Hung Thoong campsite, continuing to walk into the Thung cave sinkhole, swinging 25m down the sinkhole and then following Lung Chung alley. Visitors can explore Lo Lung Lake as well as explore Thung cave all year round except for stormy days and high water levels. Every year, the flood season in Phong Nha - Ke Bang, Quang Binh falls in late September and October. Photo: Le Luu Dung
Ngoai ho Lo Lung moi duoc phat hien, du khach den Hung Thoong con co the kham pha nhieu hang va ho canxi khac. Mot hoat dong khong the thieu trong cac chuyen di o day la boi trong cac ho canxi, ngam nhin hang nghin thach nhu voi du hinh dang ky thu.
In addition to the newly discovered Lo Lung Lake, visitors to Hung Thoong can also explore many other caves and calcium lakes. An indispensable activity on trips here is swimming in the calcium lakes, admiring thousands of stalactites with many interesting shapes. Photo: Le Luu Dung
Du khach den Hung Thoong duoc trai nghiem tu trekking xuyen rung nguyen sinh, cam trai ben ho nuoc Lan, kham pha hang kho cung cac thach nhu, mang da doc dao, du day ho sut...
Visitors to Hung Thoong can experience trekking through the primeval forest, camping by the lake, diving, exploring dry caves with unique stalactites and stalagmites, swinging on a rope in a sinkhole... Photo: Le Luu Dung
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