The Whistler Tree is a more than 235 years old natural wonder in old cork oak from Águas de Moura, Palmela, Portugal. This cork tree is about 16.3 m (53 ft) tall and has a diameter of 14 ft.
In 2018, The Whistler Tree is voted European Tree of the year. It is also known as the monumental Cork Oak (Sobreiro Monumental). A cork is made from the bark of a specific species of an oak tree.
