Quiz: What is the average lifespan of a giant sequoia tree? June 10, 2025 by Orion Vale What is the average lifespan of a giant sequoia tree? Discover more about Sequoia National Park Tours at our home page. A) 2,000 to 3,000 years B) 500 to 1,000 years C) 1,000 to 1,500 years D) 300 to 600 years Submit Answer