Dilijan National Park includes the whole territory of the city and its lush forests cover an area 24.000 hectares.
It lies in the north-eastern part of Armenia in Tavush region nestling in the valley of Aghstev river, at an altitude of 1100-1500 meters. The mountains and gorges are covered with rich forests and alpine meadows and dotted with small farms, hiking tracks, lakes and rivers. The mountainous landscape is highly diverse with different geological substrates, terrains, climates, soils and water resources. Many natural and man-made features enrich the national park: monasteries, lakes, archaeological sites, forests, wilderness regions, rivers and farmland create an endlessly changing environment.