Starting point: Petrovo Brdo (803 m)
Starting point Lat/Lon: 46.2157°N 13.9997°E 
Time of walking: 2 h 15 min
Difficulty: easy marked way
Difficulty of skiing: no data
Altitude difference: 695 m
Altitude difference (by path): 750 m
Map: Škofjeloško in Cerkljansko hribovje 1:50.000
Access to starting point:
From Železniki we drive towards Tolmin or vice versa, we follow the road to the settlement Petrovo Brdo, where on a parking lot at the mountain hut Petrovo Brdo we also park. The mountain hut is located right next to a crossroad, where the road on Soriška planina branches off.
Path description:
By the mountain hut, we notice signs for Črna prst, which point us on a very steep path. After a short steep ascent, we step on a wide cart track which we follow to the right, and it quickly brings us to a torrent stream. Marked cart track soon turns a little towards the left and is then relatively steeply ascending through the forest. After approximately half an hour of walking, we come to mountain signposts, where there is a marked crossing.
We continue in the direction of Črna prst (left Kup and Podbrdo) and we continue the ascent on an ascending cart track which higher turns to the right and entirely flattens. After few minutes of additional walking, we leave the cart track and we continue the ascent on a marked footpath. After a short ascent, the path flattens a little and brings us on the old, but very well-preserved mule track. We continue the ascent on the mentioned mule track, which through the forest and some gullies brings us to a crossing near the bivouac Lovčev bivak Pri Koucah. Here we continue straight (right Lajnar and Slatnik) and after few 10 strides of additional walking, we get to the already mentioned bivouac (Lovčev bivak is just a name of the cottage and we can't use it as bivouac).
From Lovčev bivak we continue on a marked path in the direction of Črna prst. The path ahead crosses a lane of a forest and then gradually passes on the more and more panoramic slopes, from which a view is opening up on peaks and slopes, which surround Baška grapa. Higher, the path turns a little towards the left and starts lightly descending. After that, the path bypasses old barracks and only few 10 meters ahead brings us to the hunting cottage on Vrh Bače.
From the hunting cottage, we continue straight (sharply right Petrovo Brdo) and we ascend on a saddle Vrh Bače, where there is a marked crossing. Here we continue left in the direction of Črna prst (slightly right on the road Soriška planina, right uphill Šavnik and Možic) and start ascending diagonally through the forest. When the path ascends almost below the very peak of Šance, it starts descending towards smaller saddle. The path at first leads past the cottage of GRS (mountain rescue service), and then we reach already mentioned small saddle. The path ahead starts at first moderately ascending, and then gradually brings us on the ridge of Kobla, where becomes even steeper. Next follows few minutes of a steep ascent on the path which runs by the edge of occasionally exposed ridge. Higher, the path flattens, turns a little to the right and brings us on a less distinct peak of Kobla.
Petrovo Brdo - Lovčev bivak Pri Koucah 1:00, Lovčev bivak Pri Koucah - Vrh Bače 30 minutes, Vrh Bače - Kobla 45 minutes.
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