The Ural Mountains and the Caucasus Mountains act as a natural borders between Europe and Asia.
http://wiki.answers.com/Q/What_chain_of_mountains_separ...
The Urals (Ural Mountains) separate Europe and Asia.
http://wiki.answers.com/Q/What_is_the_mountain_range_se...
Geography of Europe - Wikipedia, the free encyclopedia
Europe is traditionally reckoned as one of seven continents. Physiographically, however, it is the northwestern peninsula of the larger landmass known as Eurasia (or Afro-Eurasia): Asia occupies the ...
en.wikipedia.org/wiki/Geography_of_Europe
Caucasus Mountains - Wikipedia, the free encyclopedia
The Caucasus Mountains is a mountain system in Eurasia between the Black Sea and the Caspian Sea in the Caucasus region. The Caucasus Mountains are made up of two separate mountain systems: • the Gr...
en.wikipedia.org/wiki/Caucasus_Mountains
The Ural Mountains and the the Caucasus Mountains form the border between Europe and Asia. ChaCha again soon!
http://chacha.com/question/what-mountain-range-separate...
It was ancient Greek Geographer Eratosthenes who divided Asia and Europe and Ural was selected by him for the separation.
http://in.answers.yahoo.com/question/index?qid=20070412...
-science central European mountain range ... -small mountain range which separates Europe and Asia ... -mountain range, underwater of the Atlantic Ocean...
www.atlantic.k12.ia.us/wp/thinzmann/europeandrussia.htm www.atlantic.k12.ia.us/wp/thinzmann/europeandrussia.htm
Since I am unilateraly placing the Caucasus into a "Middle East" continent, that leaves the Alps alone as truly serious mountains in Europe. ... The longest mountain range is the arc of the Carpathians, running from Romania to eastern Germany, which is longer but narrower than the Alps in their course from Austria to France.
www.peakbagger.com/cont/eu.htm
Asia, the largest continent, is home to the highest mountians on the planet. Every single peak over 23,000'/7000m in the world rises in the vast complex of ranges dominated by the Himalaya, culminating, of course, in Mt. Everest (29,028'/8848m). ... Back to Continents home page; Back to Mountain Explorer home page...
www.peakbagger.com/cont/as.htm
It is usually agreed that Europe ends along the Ural mountain range and along the Ural River to the Caspian Sea. For analytical purposes we should divide Russia into one eastern and one western part with the Ural mountain ... The geographical divide of the Strait of Bosporous separates Europe and Asia and divides Turkey.
www.zetterberg.org/Lectures/l96b.htm