The biggest artificial lake is Lake of Kozjak on the Treska River. It is located in the Western part of the country in the municipality of Makedonski Brod and it is 30km from the capital, Skopje.
The artificial lake Kozjak extends in the area of Jasen on the river Treska, rich in fish and the environment is distinguished by beautiful natural areas perfect for relaxation.
If are lucky and careful, you can find deer. The river Ocha, which flows into Lake Kozjak, is a daily watering place for many wild animals. Do not forget to visit the place Urnat Kamen (Crushed Stone), which opens to a wonderful horizon. The mountain path which leads to this place is named as one of the most beautiful in Macedonia.
The exclusivity of Jasen speaks to the fact that in the past this place has been only for privileged senior officials. Today it is available for everyone. You can visit with an organized tour or accompanied by the rangers, just for a one-day trip or for a multi-day vacation.
The Lake of Kozjak is 32km long and has a maximum depth of 130 meters.