Bumthang River (also known as Murchangphy Chhu) is a river in Bhutan. It joins the Tongsa Chhu or Mangde Chhu in southern Bhutan and the combined stream flows into the Manas River.[1] Bumthang District [1]"Physiological Survey". River System of Bhutan. FAO Corporate Document Repository. Retrieved 2010-05-09.27.0187°N 90.8404°E / 27.0187; 90.8404 This article related to a river in Bhutan is a stub. You can help Wikipedia by expanding it.vte