Mountains are important to us because they're a huge factor in our ecosystem They provide diverse fauna and flora, recreational activities amazing features etc.It also helps people who live on lowland as it blocks wild weather. Mountains also contain minerals, water, wood and timber, everything you can name is there!he Andes mountains extend over seven countries Andes  Mountains, is one of the most important archaeological  centers in South America. The small tree Cinchona  pubescence … , a source of quinine which is used to treat malaria,  is found widely in the Andes as far south as Bolivia.