Kemijoki is a river located in northern Finland, flowing through the region of Lapland. It is the longest river in the country, stretching approximately 550 kilometers. The river originates from Lake Kemijärvi and eventually empties into the Gulf of Bothnia. The Kemijoki river is significant for both its natural beauty and its role in hydroelectric power generation. Several dams and power plants are situated along its course, contributing to Finland's energy supply. The river also supports recreational activities such as fishing, boating, and hiking, attracting both locals and tourists.