What is the mountain range separating European and Asia?

Answer 1

The Ural Mountains.

They lie in a north to South direction at approximately longitude 60 oE.

They are not particularly high . However, they stretch from the Arctic Ocean, to the Caspian Sea. They separate European Russia , from Asiatic Russia (Siberia).

Answer 2

The Urals and the Caucasus both separate Europe and Asia.

Answer 3

The Ural Mountains are the mountain range that separates Europe and Asia. They stretch from the Arctic Ocean to the Ural River in Kazakhstan.