摘要:Climate characteristics of the fog phenomenon and its influence on the tourists and the tourist activities in the Apuseni Mountains. This paper aims to emphasize the characteristics of the fog phenomenon and its influence upon tourist activities in the Apuseni Mountains, making use of meteorological data collected by 9 meteorological stations between 1961 and 2000. Observations regarding the medium and maximum monthly and yearly number of foggy days, the occurrence of fog during the day, monthly and yearly medium and maximum durations of fog. Based on calculations graphically described and interpreted it was concluded that fog is most frequent and persistent on the highest peaks , especially during winter as opposed to depressions where it is scarce and less persistent. In the last part of the paper both positive and negative effects of the fog on tourist activities in the Apuseni Mountains are presented