This ruins built with laterite blocks were constructed around twentieth century as an outpost of the Khmer Muang Singh empire. The centre of the ancient kingdom of the Khmer is the current Cambodia next to Thailand to the east. That is, the Khmer empire extended west as far as here, Muang Singh.
The remains were built in the Bayon style, in the reign of King Jayavarman VII (1181-1215).