Yes, mountains are very useful. The utility of the mountains can be summarized as under :
1. These are storehouse of water.
2. Many rivers have their source in the glaciers in the mountains.
3. Reservoirs are made and the water is harnessed for the use of people.
4. Mountains provides water for irrigation
5. Provides water for generation of hydroelectricity.
6. Mountains have a rich variety of flora and fauna. These provide fuel, fodder, shelter and other products like gum, raisins etc.
7. Mountains provide an idyllic site for tourists etc.