How old is the oldest red oak?
Ava Arnold
Updated on January 15, 2026
Longevity of Red Oaks
But hands down, the oldest known living red oak in the United States, possibly the world, is The Pechanga Great Oak Tree, a coast live oak (Quercus agrifolia) estimated to be between 850 and more than 1,500 years old.What is the oldest red oak tree?
The Oldest Living Red Oak Tree May Be 1500 Years OldI say it can be because no one's really sure of its age, but it is definitely known to be at least 800 years old, and at most, 1500 years old. The Pechanga Great Oak Tree is the oldest living Red Oak Tree, and it is located in Temecula, California.