阿瓦萨克萨山是芬兰西部拉普兰区Ylitornio市镇的一座山，海拔242米(794 ft)。阿瓦萨克萨山靠近芬兰、瑞典边境，以其景观而知名。该地被列为芬兰国家景观。1876年，俄国沙皇亚历山大二世造访此地。阿瓦萨克萨是芬兰境内能够观看极昼的最南端。该地同附近的北极圈标志被联合国教科文组织列入世界遗产。

Aavasaksa is a sharp-edged hill in Ylitornio municipality in Finnish Lapland. It has an elevation of 242 metres (794 ft). Aavasaksa is famous for its sights both towards Finland and Sweden, and it is included to the list of the National landscapes of Finland. Emperor Alexander II of Russia visited the site in 1876. Decorative hunting cabin Keisarinmaja is one of the buildings on top of the hill; it is now used as a cafe.