Where did charlie go in Charlie and the Chocolate Factory in the chocolate river?

In "Charlie and the Chocolate Factory," Charlie Bucket and the other children take a boat ride on the chocolate river during their tour of Willy Wonka's chocolate factory. As they navigate through the river, they encounter surreal sights, including singing and mesmerizing scenes. The river is a key part of Wonka's imaginative world, showcasing the magic and wonder of his candy creations. Ultimately, this experience further highlights the fantastical elements of the factory and the consequences of the children's behaviors.