British climbers Kenton Cool and Robert Richard Lucas, with Mexican David Liaño Gonzalez and three Nepalese guides, reached peak on Thursday
Officials say two Britons and a Mexican, with three Nepalese guides, have become the first foreigners to reach the summit of Mount Everest in two years.
Ang Tshering of the Nepal Mountaineering Association said the six climbers reached the 8,850m (29,035ft) peak early on Thursday and were already returning to lower camps.
The climbers were named as Kenton Cool and Robert Richard Lucas from Britain, and David Liaño Gonzalez from Mexico.
A group of nine Nepalese guides fixing ropes for their foreign clients reached the summit on Wednesday.
Last year’s climbing season was cancelled after an avalanche triggered by a powerful earthquake killed at least 18 climbers at base camp. In 2014, 16 Sherpa climbing guides were killed by an avalanche in the dangerous Khumbu icefall.