It is a small canal that water flows from a tunnel under lime stone mountains. Since it was ignored and tourists dropped food to the water these leads to the dirty water . There are many kinds of fishes such as carp and gold fishes. Not many people can see the historic fish related to the cavern called “Pla Heeb Neeb Ping”. The Fish cave is a lake that ends directly at the mountain - or better in it, since the cave goes on under water. In the lake a lot of Koi (special fish - ask any collector how pricey they are) swim