What is a tree? - A Tree is Tall!

The tallest tree in the world is a Coastal Redwood growing in the Montgomery Woods State Preserve, near Ukiah in California. It's named the Mendicino Tree. Its height has been accurately measured at 112 metres, which is just shorter than the Spire in Dublin, which is 120 metres high. Its age has been estimated at about 1000 years, and the diameter of its trunk near the ground is 3.14 m .

The tallest tree in Ireland is a Douglas fir growing in Powerscourt Estate, Co. Wicklow. It is 56m high.