This lake, called Cuu Trai Cau or Tuyet Tinh Coc of Vietnam, is known for its otherworldly blue glow water and it is located in Thuy Nguyen District, Hai Phong province. It has the total area of 20 ha and it is surrounded by Tra Son Limestone.
I hadn’t heard of this unbelievable blue lake until my friend visited it and shared an amazing photo from his trip on Facebook.
Since it is only 33 kilometers from our house, we took our motorbike and went for a trip to see it with our own eyes. We had to make sure he didn’t photoshop it 😀 It took us probably an hour through small villages and rice paddies to get there.
The “lake” boasts acidity levels of pH 11.3, just less than ammonia at 11.5pH and bleach at 12.6pH. So DON NOT TRY TO SWIM there, unless you want to risk kidney problems, fungal infections, rashes, and even blindness.
Also, there is a lady collecting a parking fee (10.000VND per bike, 50.000VND per car) and she was a nuisance. We didn’t know about the fee. We thought she is just trying her luck to get some money from us and so we pretended we didn’t understand. She was laughing with us, but then she picked up my camera bag and was slowly walking away. I told her ‘no, no, no’ and so she put it back. She then took my helmet and went into her house. Lee went to her house, bought two bottles of water and took the helmet back.
Tuyet Tinh Coc is definitely a place worth a visit to see it and take some amazing photos of the beautiful scenery.