Tango monastery was built by the fourth Desi of Bhutan, Gyelsey Tenzin Rabgye in 1689. However Lama Phajo Drukgomshigpo founded this scared place in 13t century.
Tago literally means horse head, but here it is not the head of an ordinarily horse. There is a god known as Tandin (Hyagriva), a tutelary deity that features, just above his own head, the head of horse. The image of this particular god along with the horse head can be seen in the form of a cliff in the area opposite Tago monastery.