Though the museum was established by Yeghishe Hovsepyan, its long-time director Albert Matinyan and the Honored Artist of Armenia Hovhannes Sharambeyan made every effort to make it treasury of archaeological items and works of art.
Initially, all the items were collected in the town library.
The former building of the museum was built in 1926 as a hotel, later used as a hospital and afterwards again was used as a hotel.
It underwent reconstruction in 1927 to host the Geological Museum and Art Gallery of Dilijan.
The old building of the museum was demolished, and during five years  new building of the museum was built.
The official opening of the museum was held in 2010.
It was opened to the public on 1 April 2011.
Though the museum was established by Yeghishe Hovsepyan, its long-time director Albert Matinyan and the Honored Artist of Armenia Hovhannes Sharambeyan made every effort to make it treasury of archaeological items and works of art. Initially, all the items were collected in the town library. The former building of the museum was built in 1926 as a hotel, later used as a hospital and afterwards again was used as a hotel. It underwent reconstruction in 1927 to host the Geological Museum and Art Gallery of Dilijan. The old building of the museum was demolished, and during five years  new building of the museum was built. The official opening of the museum was held in 2010. It was opened to the public on 1 April 2011.
Geological Museum and Art Gallery (Dilijan)