Petnja artifical lake is located on the south side of the hill Dilj, 7 km west of Slavonski Brod and 3,5 km northeast of Sibinj. Lake delight with its appearance, forest hills, opportunities for swiming, boating and fishing. The special charm of the lake gives a clear blue Water with greenery  and colorful forests. North of this place, near the strim Petnja (Vid hill), there are serval small caves and erosive canyon Pljuskara with three woterfalls on the creeek.