Within traditional Romanian classification the Baiu Mountains belong to the Curvature Carpathians. According to the geological divisions of the Carpathians, they belong to the Outer Eastern Carpathians. 
The Baiu Mountains run from the Azuga Valley in the North and to the Posada Gorges in the South, and from the Doftana Valley in the East to the Prahova Valley in the West. The mountains have an average elevation of 1110 meters (3643 feet) and a maximum height of 1923 meters (6310 feet) at Neamţu Peak.
- List of mountains in the Eastern Carpathians
- The Mountains of Romania By James Roberts, page 56
|Wikimedia Commons has media related to Baiu Mountains.|