The Călimani Mountains or Kelemen-havasok (in Hungarian) are the largest volcanic complex of the Carpathian Mountains in Transylvania, Romania. Geologically they belong to the Căliman-Harghita Mountains group of the Inner Eastern Carpathians.
Here, signs of glaciation is evident and accessible for study.[1] Pietrosu Peak reaches a height of 7,556 feet. To the south are extinct volcanoes.[2]
The mountains are one of the protected areas of Romania.