Young purple and mature brown cone in Ancient Bristlecone Pine Forest, Inyo National Forest, California, USA.
The fruit of a bristlecone pine (Pinus longaeva) is a cone that appears purple during early development, turning yellow or brown as it matures. Ancient Bristlecone Pine Forest, Inyo National Forest, California, USA. The Methuselah Walk is a loop of 4.1 miles with 705 feet gain.