The mountains are relatively low, but well-wooded and naturally beautiful. They are known for an abundance of wildlife, including deer, wild boar, wolves and bears.
The highest peak is 1,776 meters. Average rainfall is about 1,200 mm and average temperature 4 °C. They are part of the volcanic mountain chain in the western side of the Eastern Carpathians. In the North the Mures River separates them from the Călimani Mountains. To the south are the Harghita Mountains and Târnava River Valley.
The mountains were formed during a period of volcanic activity between 9.4–5.4 million years ago, starting in the north and moving southwards. 
- György FÜLEKY & Sámuel JAKAB (2007). "PHOSPHATE ADSORPTION ON SOILS IN THE GURGHIU AND HARGHITA MOUNTAINS, ROMANIA" (PDF). Carpathian Journal of Earth and Environmental Sciences. 2 (1): 25–32. Retrieved 2009-09-27.
- "Horseback Riding or Carriage trips in the Carpathians" (PDF). Equitour. Retrieved 2009-09-27.[permanent dead link]
- "Gurghiu Mountains ringing camp". Milvus Group. Retrieved 2009-09-27.
- "EVOLUTION OF THE NEOGENE GURGHIU MOUNTAINS VOLCANIC RANGE (EASTERN CARPATHIANS, ROMANIA), BASED ON K-Ar GEOCHRONOLOGY". Geologica Carpathica. 2004. Retrieved 2009-09-27.
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