She died while taking part in the 1990 American Manaslu Expedition when she was caught in an avalanche.
[1] After university studies in engineering she gave up her job at Weyerhaeuser to devote herself full time to climbing.
[2] She climbed Rainier more than 50 times during the 1980s and reached the summits of Denali in Alaska, the highest peak in North America, and Aconcagua in Argentina, the highest peak in South America.
[3] Jackson was participating in the 1990 American Manaslu Expedition when she was killed in an avalanche with Charles Schertz and sherpa guide, Nima Wangchuk.
[3] After her death, her hometown congregation at the First Methodist Church (Moscow, Idaho) founded a hand bell choir in her memory.