Over thousand years old Published April 24, 2012 at 533 × 800 in Landscapes Bristlecone pine, White Mountains, CA Some of the Bristlecone pines in the White Mountains, in Eastern Sierras is estimated to be around 4500 years old making them one of the oldest living organisms on planet earth. Let others know:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window)Like this:Like Loading...