Kathmandu, Aug. 31 -- Nepal's new regulation to end solo expeditions and hikes in the royalty of the 8000ers has formally come into effect from Monday, September 1. Earlier in February, the Himalayan nation amended the mountaineering regulations by publishing them in the Nepal Gazette, the government's official publication.

The Sixth Amendment of the mountaineering regulation released on February 3 this year bars climbers from solo expeditions on all the 8000-metre peaks. The amendment to Rule 6 of the previous regulation has been made to prohibit climbers from undertaking solo expeditions of the 8000ers.

"When climbing a mountain peak with an altitude of more than eight thousand metres, every two members of the mountaineering team must...