Geographically, the Mandallaz mountain is a small pre-Alpine massif 8 kilometres (5 mi) long by 3–4 km (1.9–2.5 mi) wide, between 500 metres (1,640.4 ft) and 929 metres (3,047.9 ft) high (the top is called "The Head"), north-west of Annecy

Annecy

Annecy is a commune in the Haute-Savoie department in the Rhône-Alpes region in south-eastern France.It lies on the northern tip of Lake Annecy , 35 kilometres south of Geneva.-Administration:...

 in the Haute-Savoie

Haute-Savoie

Haute-Savoie is a French department in the Rhône-Alpes region of eastern France. It borders both Switzerland and Italy. The capital is Annecy. To the north is Lake Geneva and Switzerland; to the south and southeast are the Mont Blanc and Aravis mountain ranges and the French entrance to the Mont...

 department in the Rhône-Alpes

Rhône-Alpes

Rhône-Alpes is one of the 27 regions of France, located on the eastern border of the country, towards the south. The region was named after the Rhône River and the Alps mountain range. Its capital, Lyon, is the second-largest metropolitan area in France after Paris...

 region

Régions of France

France is divided into 27 administrative regions , 22 of which are in Metropolitan France, and five of which are overseas. Corsica is a territorial collectivity , but is considered a region in mainstream usage, and is even shown as such on the INSEE website...

 in south-eastern France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

. The Mandallaz has a mirror break, which provoked an earthquakes in 1996.