
The Western Romanian Carpathians, along with the Eastern Romanian Carpathians and the Southern Carpathians is one of the three main mountain ranges of Romania. Their name is given based on their geographical position, west, to the Transylvanian Plateau, which is simultaneously their eastern limits, respectively to the Timiș-Cerna Gap of the Banat Mountains, the southern group of the Western Carpathians.

The Apuseni Mountains is a mountain range in Transylvania, Romania, which belongs to the Western Romanian Carpathians, also called Occidentali in Romanian. Their name translates from Romanian as Mountains "of the sunset", i.e., "western". The highest peak is the Bihor Peak at 1,849 metres (6,066 ft). The Apuseni Mountains have about 400 caves.

The Banat Mountains are a number of mountain ranges in Romania, considered part of the Western Romanian Carpathians mountain range.

Bihor Mountains is a mountain range in western Romania. It is part of the Apuseni Mountains, which are part of the Carpathian Mountains. The massif has a length of 25 kilometres (16 mi) from the northwest to the southeast and a width of 14 kilometres (8.7 mi). It is located east of the town Ștei, and north of the town Brad.

The Meseş Mountains are a mountain range in Transylvania, Romania, which belongs to the Apuseni Mountains. The highest peak is Măgura Priei Peak - 996 m (3,268 ft).
The Pădurea Craiului Mountains are in the northwestern part of the Apuseni Mountains of the Carpathian Mountain range, located between the Vad-Borod Depression and Beiuş Depression. The Dealurile Vestice are located to the west of these mountains and the Vlădeasa Mountains are to their east. The highest peak in Pădurea Craiului is Hodrâncuşa at 1027 metres. The name Pădurea Craiului literally means "The Forest of the King".

Scărișoara Cave, is one of the biggest ice caves in the Apuseni Mountains of Romania, in a part of Carpathian chain. It is considered a show cave and one of the natural wonders of Romania. It has also been described as a glacier cave.
The Şimleu Mountains is a mountain range in Transylvania, Romania, which belongs to the Apuseni Mountains.

The Trascău Mountains are located in the Apuseni mountain range of the Western Romanian Carpathians, in Romania.