Kurtal is a living spring. During the hot seasons, the ground is dug to reveal the spring underneath. This happens amidst great ceremony. Kurtal is a snake-like creature, who lives underground. Though he is a Karlkutu, and he can have legs. He also has a human form, and the custodians of this land become him when they die.
This is Kurtal during the cold weather time, you can see the dried white mud on the surface of the waterhole area.