This monument is located in Darreh Shahr County on the hill of a fire temple. It is also known as Mahall-e Tagh (Arch Place). This fire temple is completely made of rubble and plaster, and belongs to Sassanid period. Probably after the palaces, the fire temples are the most important monuments remained from Sassanid dynasty. These monuments are places to commemorate the holy fire and hold religious ceremonies. Therefore, architecturally, they follow particular patterns.
Darreh Shahr County lies in Ilam Province and contains several historical monuments from different historical periods, especially Sassanid era and Islamic centuries.