Onek (pronounced [ˈoːnɛk]; German: Hohenegg,[2][3] Gottscheerish: Wrneggə[4]) is a settlement in the hills east of Kočevje in southern Slovenia.

It contains the remains of soldiers from the Croatian Armed Forces, Serbians, and probably also Germans and Russian Cossacks transported from the prisons at Šentvid and Kočevje.

[10] The Debelič Meadow near Kren Cave Mass Grave (Grobišče Debliške livade pri Jami pod Krenom) is located about 20 meters (66 ft) behind the sign for the Kren Cave Mass Grave, 10 meters (33 ft) below the road, in the direction of the Rog Sawmill.

[11] A series of roadside wooden sculptures several meters high representing the Stations of the Cross, created by Stane Jarm (1931–2011) in 1998, mark the route to the graves from nearby Željne.

[12] A 17th-century chapel dedicated to Saints Cosmas and Damian formerly stood at a fork in the road north of Onek.

The keystone of the door casing was carved with the inscription IHS 1817 and the letters GIGK, probably indicating that it was renovated in 1817, the same year that the new Saint Anne's Church was built in neighboring Mačkovec.