Kleiner Semmering Pass (el. 463 m.) is a low

mountain pass A mountain pass is a navigable route through a mountain range or over a ridge. Since many of the world's mountain ranges have presented formidable barriers to travel, passes have played a key role in trade, war, and both Human migration, human a ...

in the Wienerwald in the '' Bundesland'' of

Lower Austria Lower Austria (german: Niederösterreich; Austro-Bavarian: ''Niedaöstareich'', ''Niedaestareich'') is one of the nine states of Austria, located in the northeastern corner of the country. Since 1986, the capital of Lower Austria has been Sankt P ...

. It forms the divide between the watersheds of the

Vienna River The Wien is a river that flows through Austria's capital Vienna. Geography The river Wien is long, of which are within the city. Its drainage basin covers an area of , both in the city and in the neighbouring Vienna Woods. Its source lies in ...

and the Liesingbach.

See also