The youngest person to reach the summit of Aconcagua is Tyler Armstrong of California. He was nine years old when he reached the summit on December 24, 2013. Kaamya Karthikeyan of India at an age of 12 became the youngest girl to reach the summit on 1 February 2020. The oldest person to climb it was Scott Lewis, who reached the summit on November 26, 2007, when he was 87 years old.