Tamur River Bhutan Tibet India Testimonial Photo Gallery Contact us Nepal  »  Rafting in Nepal  »  Bhote-Koshi River The Bhote Kosi or Rongshar Tsangpo and is part of the  Kosi  or Sapta Kosi river system in  Nepal . It originates in  Tibet Autonomous Region  of  China . The source of the Rongshar Tsangpo or Bhote