PHNOM BOK TEMPLE
Phnom Bok sits at the summit of the highest hill in the Angkor area .
Built in 910 AD by King Yasovarman I it is one of the three mountain temples built on the three hills of the Angkor region. 
To get to this temple you have to climb up to the top of the 235 meter-high hill (633 steps to reach the summit).
It is a spectacular temple mountain crowned by frangipani trees.