Idrijski Log (pronounced [ˈiːdɾii̯ski ˈloːk]; German: Idriskilog,[2] Italian: Loga d'Idria[3]) is a dispersed settlement on the right bank of the upper course of the Idrijca River in the hills south of Idrija in the traditional Inner Carniola region of Slovenia.

[4] Idrijski Log lies on the north end of the Črni Vrh Plateau, which then drops sharply to the Idrijca Valley.

The Ajhar Shaft Mass Grave (Slovene: Grobišče Ajharjevo brezno) is located northwest of the village, about 600 meters (2,000 ft) north of the Mohorič farm (Idrijski Log no.

[8] The Andrejček Shaft Mass Grave (Grobišče Andrejčkovo brezno) lies in a sinkhole alongside the road from Idrijski Log to Idrija, northeast of the settlement.

It contains the remains of an unknown number of Slovene and Italian civilian prisoners that were brought from Trieste and Gorizia and murdered here in late May or on 13 June 1945.