Springing from below the Vršič Pass
with several smaller streams which soon join into one stream.
It gets its water from the slopes of Mojstrovka
It flows along the Strma frata Valley
in the direction of the source of the Soča river
in a steep fall.
In its lower part it turns and flows parallel with the Soča
, and under the 49th curve of the Vršič
road it flows out into the Soča