Massif
（重定向自Masiff）
![Panoramic view of Mont Blanc massif, an example of a massif and also the highest summit in the Alps.[4]](/uploads/202501/26/Massif_du_Mont-Blanc_(hiver_panoramique)2026.jpg)
In geology, a massif is a section of a planet's crust that is demarcated by faults or flexures. In the movement of the crust, a massif tends to retain its internal structure while being displaced as a whole. The term is also used to refer to a group of mountains formed by such a structure.