Thimphu is the fourth highest capital in the world by altitude.
== Geography and climate ==Thimphu is situated in the constricted, linear valley of the Raidk River, which is also known as the Thimphu River (Thimpu Chuu)
=== Air ===Thimphu is served by the only international airport of Bhutan, Paro Airport, which is about 54 kilometres (34 mi) away by road

