We drive to Žirovnica and keep following the road towards Potoška planina. We turn left just a little before a lake. Road then brings us to a crossroads. The left road goes towards Potoška planina and the right goes towards Valvasorjev dom. We go left again and come to a next crossroads after some time. Ajdna is left downwards, Potoška planina is straight ahead. We park here on a a parking lot by the road.
Path description (automatic translation):
The parking lots are focusing on the lower left path towards Ajdni. After a short downhill on the road to focus our signpost down to the left kolovoz. Kolovozu, which descends to follow sedelca between Ajdno to the right in neimenovanih top of the left. Here we are at a crossroads where we go straight up. The right path is easy. Already after a few meters upswing come to protect (the rungs), which lead us to very steep as straight-up. After less than five minutes of the steep path is only a few meters below the top place a light path. Here are focusing our left and in a few steps reach the top. I recommend Descent after light path.