The sign reads, "BIG TREE PROTECTION AREA - Please do not enter fenced area - Continual foot traffic has caused compaction of the soil adjacent to Big Tree. This fence was built to protect Big Tree's immediate habitat, to retain its visual uniqueness, and to provide public safety. PONDEROSA PINE (Pinus Ponderosa) Height 182 feet. Diameter 8.8 feet. Estimated age 500 years. Est. volume 25,000 Sq. Ft."