Manjimup, Western Australia. The Diamond Tree is a giant Karri tree located 10km South of Manjimup, Western Australia on the South Western Highway.
A wooden viewing platform built in 1939 is located 52 metres up, and is the oldest wooden platform fire look-out still in use today.
The tower is still used by DEC (Department of Environment & Conservation) to support aerial surveillance from time to time. It is 51 metres high and is known for its spectacular view over the trees.