Following years of concern over the amount of climbers — both experienced and amateur — attempting to scale Mount Everest, a major change is in the works.

Kami Rita, 55, flew to Mount Everest on Sunday from Kathmandu to lead a group of climbers who will try to reach the 8,849-meter (29,032-foot) summit during the spring climbing season.

He regularly contributes to Outside’s coverage of Mount Everest and Himalayan mountaineering. During the spring climbing season, the lobby of the Aloft Hotel in the Thamel district of Kathmandu ...