At Johor Bahru, there is a majestic blue lake which is known as Tasik Biru Kangkar Pulai. It is a hidden gem within Masai, Johor Bahru. The reason it is blue is because of the iron ore quarry nearby. The blue color is from the mineral called copper sulphate but I am not sure if that's the real reason for it because whenever there is a blue lake like this, there will be a iron ore quarry beside of it. Another good example is Tasik Biru Bukit Ibam Muadzam Shah, Pahang. I believe there are other more which you can share with me the location of the blue lake with an iron ore quarry beside it on the comments below. Thanks. A panoramic view of the blue lake. Click to enlarge the picture. To get to here, simple key in "Tasek Biru Kangkar Pulai" into your Waze app. It will leads you directly to this place. There are no designated parking place, so you just have to park beside the main road. It is not difficult to hike because I saw kids have no problem cli...