A tourist guide died due to altitude sickness at Langsisa in Gosaikunda Rural Municipality-4 of Rasuwa district.
The deceased has been identified as Bijay Tamang (24) of Melamchi Municipality-6, Sindhupalchowk district.
He died while a group of six to seven persons, who had come to explore a new trekking route of Langtang-Kyanjin Valley-Langsisakharka from Panchpokhari, were descending the lower altitude.
Tamang had returned after reaching 5, 800 meters above Langsisa while going to Tilmand Pass in search of a new route.
He had a problem while descending the Langsisakharka.
Relatives of Tamang, a guide of Take on Nepal, said that he could have been saved had he received treatment on time.
Inspector Netra Paudel, Information Officer at the District Police Office, Rasuwa, who had returned after reaching the incident site, said that he could have died of altitude sickness. The postmortem report is yet to come.