Tshering Lama, who is coordinating the rescue, said the body of one of the Nepalese trekkers appeared to have been washed away by a river while it was being recovered and attempts are being made to find it.
Government administrator Narayan Prasad Bhatta said the bodies were loaded on a helicopter and flown to Tribhuwan University Teaching Hospital morgue in Kathmandu.
The bodies of the Nepalese guides were expected to be handed over to their families, but arrangements for the Spanish trekker were unclear. There is no Spanish embassy in Nepal.
An official at Vayodha Hospital said 13 foreigners and two Nepalese were getting treatment but would not disclose any more information. The official was not authorized to give details and would not be named.