• Promotion of tourism industry which generates foreign exchange to the country.

• It hinders transport. Transport is hard in mountainous areas due to rugged relief and steep slopes.
• It limits agriculture. Mountainous areas are hard to cultivate.
• It leads to the formation of minerals and so promotes mining industry.
• Helps in the modification of climate by inducing relief rainfall.
• They can act as catchment areas.
• The water bodies formed such as lakes and rivers can be used in many ways like fishing and irrigation.
• Promotes generation of hydroelectric power.