When you continue walking down the wooden bridge 2 kilometers from the Emerald Pool, you can see “Bonam Phut” or “Blue Pool,” the spring fed turquiose water pond, which is the orgin of the Emerald Pool.
Many Thai people misunderstood that bubble from the spring-fed would come up if you clap your hands by the Blue Pool as if it dance to the sound of your hands. However, we can still see bubble raising up continuously without making any sound. You don’t want to make loud noise to disturb wild animals, do you?
There is more to Krabi than its beautiful beaches. Emerald pool is one of them. - See more at: http://www.thaiticketmajor.com/Travel-News/Emerald-Pool,-the-miracle-at-the-heart-of-Krabi's-forest-1672-en.html#sthash.ROArm1nx.dpuf