It is classified as the most beautiful river in the world; This name is due to the different colors of the algae at the bottom of the river, which give it a distinctive appearance, and the colors vary between: red, yellow, green, blue and black. Where these colors bloom for a short period between the wet and dry season between June and November when the temperature and water level are appropriate, and the width of this river exceeds 20 meters while its length is estimated at approximately 100 kilometers. You can do various recreational activities such as swimming and kayaking, enjoy watching the waterfalls and birds around them, and of course take souvenir photos.