Gorenja Trebuša is the site of four known mass graves from late in the Second World War. The Makec Ravine 1 and 2 mass graves are located north of the main settlement, on the right bank of the Trebuščica River. They contain the remains of about 30Home Guardprisoners of war from the post at Črni Vrh that were murdered at the beginning of September 1944. The Peter Ravine Mass Grave is located on the right bank of the Trebuščica River, north of the building at Gorenja Trebuša no. 21 and east of the building at Gorenja Trebuša no. 22. It contains the remains of many civilians murdered between August 1944 and April 1945. The site has gradually been covered by scree. The Podgriva Ravine Mass Grave lies in a ravine along Pršjak Creek, southof the farm at Gorenja Trebuša no. 102. It contains the remains of many civilians murdered between August 1944 and April 1945.