The two were attempting to summit the 5,844-metre (19,172 feet) Naya Kanga peak, 30 kilometres (18 miles) north of Nepal´s capital Kathmandu, which is considered a difficult mountain to scale.[break]
"Masue Yoshida and Kumar Rai were killed by an avalanche in the afternoon on Saturday on Naya Kanga peak," said Mahabir Gurung, a friend of Rai´s who works in the tourism industry, adding efforts to retrieve their bodies were underway.
The Japanese embassy in Kathmandu confirmed the dead woman´s name and age.
Rai, 36, owned a Kathmandu-based mountaineering company, Nireekha Treks, that had organised the Japanese woman´s expedition, Gurung said.
Another Japanese, Takashi Ozaki, died on May 12 while attempting to scale Mount Everest, the world´s tallest peak at 8,848-metres (29,028 foot).
Irish climber Hanna dies in Annapurna, one missing, one rescued