The Weald-Artois Anticline was formed during this region's namesake orogeny. It contains the limestone-rich greywacke zone. One subrange is drained by the Tanaro river into the Ligurian sea. Containing a pyramid-shaped peak with famously steep faces, one pass through this mountain range is the St. Bernard Pass. It contains the Monte Rosa, Weisshorn, and Matterhorn, as well as its highest peak, Mount Blanc. For 10 points, 
The Weald-Artois Anticline was formed during this region's namesake orogeny. It contains the limestone-rich greywacke zone. One subrange is drained by the Tanaro river into the Ligurian sea. Containing a pyramid-shaped peak with famously steep faces, one pass through this mountain range is the St. Bernard Pass. It contains the Monte Rosa, Weisshorn, and Matterhorn, as well as its highest peak, Mount Blanc. For 10 points, name this mountain range stretching through France, Italy, and Switzerland.
The Weald-Artois Anticline was formed during this region's namesake orogeny.
the {Alps} or {Alpine mountains}