It rises near Miljevići village (around 1,050 metres above sea level), below the road to Golo Brdo (Naked Hill), on the south slopes of Ježica (1276 m) and Zastijenje (loc: Zāstinje – Backrocks; 1,230 m).

Regional road Skender Vakuf – Travnik runs along the ridge of the Undervlašić's plateau.

This river enters into deep canyon, with depth as much as 350 meters.

Grabovička River runs through this canyon near Grabovica, old village.

During the War in Bosnia, in Grabovica's Elementary school, around 200 Bosniaks "disappeared" from Večići village and its surrounding settlements.