Aconcagua: Roof of the Americas

Allissa Thompson



Cairn Project Ambassador Allissa Thompson smiles with Horseshoe Bend in the background

About Allissa Thompson

Allissa Thompson is a development professional specializing in fundraising for independent schools. Based in San Diego County, she is an endurance athlete and mountaineer who has climbed 3 of the 7 Summits.

About Allissa’s Adventure

Allissa is back for a second summit bid of Aconcagua, the highest mountain in the Americas, the highest outside Asia, the highest in the Southern Hemisphere, and one of the Seven Summits. Aconcagua has a summit elevation of 22,838 feet.

In 2022, COVID-19 derailed her first summit bid, and in a heartbreaking series of events, her team was forced to evacuate only 6 days into their expedition. In January 2023, Allissa will be climbing with Sunny Stroeer on an all-women’s team! This will be Allissa’s fourth of the Seven Summits.

Clouds in a blue sky

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