Natural, economic and social potential should determines any kind of economic activity taken in region. Functions of communes should captivate this potential also. So the economic activity should respond with economic function. Verification of kind of economic activity in rural communes according to their functional types is purpose of article. It was present characteristic of economic activity taken in rural mountain areas, which was collate with economic functions, which are attributed these areas. Were treated three functional types on base of 38 mountain communes. Chosen functions were: non-commercial agriculture (1), forestry with agriculture (2) and tourist and recreation with share of forestry and agriculture (3). It was ascertained, that the dominating economic activity on these areas is trade and construction, independently on functional type of communes. Only for communes with tourist function was ascertained the correspondence of kind of economic activity with attributed economic function. ...