The Appenines mountain range runs through most of the Italian Peninsula.
The mountain range that runs along the center of Italy is the Appenines.
The mountain range that runs along the center of Italy is the Appenines.
Apennine range
That mountain range is the Alps.
Appenines
that is the apennines that is right in the center of Italy.
The Italian Apennines are a mountain range that stretches across Italy from north to south, forming the backbone of the country. They are characterized by rugged terrain, deep valleys, and a mix of forests, meadows, and rocky peaks. The range is an important ecological and cultural region in Italy.
The most popular mountain range in Italy is the Apennine Mountains. Another famous mountain range in Italy is the Italian Alps.
That would be a mid-ocean ridge, which is an underwater mountain range that forms at divergent plate boundaries. The steep narrow valley along the center is called a rift valley, where new oceanic crust is formed as tectonic plates pull apart.
Apennine Range
Mont Blanc (French for white mountain), or Monte Bianco (Italian 'White Mountain'), also known as "La Dame Blanche" (French, the white lady) is a mountain in the Alps. With its 4,810 m (15,781 ft) summit, it is the highest mountain in the Alps and Western Europe, and is ranked 11th in the world in topographic prominence. The mountain lies between the regions of Aosta Valley, Italy, and Haute-Savoie, France. The location of the summit is on the French-Italian border
That would be quite a range. But if you mean Italy, France and Switzerland, then it's the Alps.
Undersea mountain range with a steep, narrow valley along its center.