The most dominant feature of the country is the Irrawaddy River system, the surrounding valleys and the river's massive delta in the south.
In the far south, the Mergui Archipelago contains over 800 islands, most of them completely uninhabited.
The land rises gently into the Shan Plateau in the east, where the average elevation is near 3,200 ft. (1,000 m). In the far north, the land rises sharply into a southern branch of the Himalayan mountain system.
The highest point of the country is Hkakabo Razi, which peaks at 19,294 ft. (5,881 m).