Too many to list here look at related links
The major mountain range in Montana is the Rocky Mountains.
The major mountain range in east California is the Sierra Nevada mountain range.
No mountain range separates Europe from Russia. Part of Russia is in Europe. What you are thinking about is what separates Europe from Asia. That is mainly the mountain range known as the Urals, and also the mountain range known as the Caucasus mountains. Most of Russia is in Asia.
the fuji mountain range
Caucasus
The Altai Mountain Range is in northwestern Mongolia. The mountain range extends into the neighboring countries of China, Russia, and Kazakhstan.
The Appalachians is the major mountain range but there are the Allegheny Mountain Range and the Cumberland Mountains in West Virginia.
The main mountain range in Russia is called the Ural Mountains
Ural mountains
The Atlas Mountains are a major mountain range in North Africa.
what is not a major mountain range in europe urals,rockies, alps, or caucasus
the Ural mountains.