The geographical feature that provides a natural barrier between **Italy** and **France** is the **Alps** mountain range. This formidable range stretches across several countries in Europe, including Switzerland and Austria. The Alps are known for their stunning landscapes, impressive peaks, and outdoor recreational opportunities. They play a significant role in the climate and ecology of the region, affecting weather patterns and biodiversity. Additionally, the Alps are an important cultural region, with various traditions and languages influenced by the surrounding countries.