The mountain house Ačkova hiža is a spacious brick house with a high attic that has a dining room, kitchen and bathroom on the ground floor. In front of the house is a terrace overlooking Medvednica and the Samobor hills. The house was named Ačkova hiža after the nickname of the late social secretary Mirko Križnik, who was responsible for its construction. It is located not far from the village of Benkovac Petrovski, 1 km from Petrovski, and 40 'from the top of Brezovica.