The massive snowslide occurred about 9 a.m. local time Sunday and covered up two climbing camps at an altitude of 20,000 feet on Manaslu Mountain in the district of Gorkha, Nepalnews.com reported.
Authorities rescued 18 people from the deluged camps.
Some of the climbers received hospital treatment.
Rescuers searched for at least two people still missing, Nepalnews.com reported.
Gorkha Police Chief Basanta Bahadur Kunwar said rescue operations had been suspended by 3 p.m. Sunday due to poor weather.
Police said nine of the dead were identified as French nationals Ludo Challeat, Fabrice Priez, Cathrine Ricard and Philippe Bos; Canadian citizen Domique Ouimet; Spanish citizens Marti Gasull and Cristine Mittermeyer; Italian citizen Alberto Magliano; and Nepali citizen Dawa Sherpa.