Your Travel Guide to Thailand
All information & tips to prepare your trip in Thailand
The color of the water in the river apart from this small section is less appealing, especially in the rainy season? If waters are so clear on Ban Tha Chang Spring's part, it is because they emerge naturally from the ground, with rainwater being filtered by rocks in this area, which have a high level of calcium carbonate, which rises to the surface. That's what makes the Ban Tha Chang Spring water fresh and so blue.