Until you ascend from treeline, various free-range farm animals, including cows and horses, can be spotted close to (and even on!) the trail. Give them their space and be cautious.
Cloud inversions are a common weather phenomenon in the Karavanks. Thick fog may characterize the lowlands, while ascending above the cloud bank may reveal sudden bluebird skies.
The summit of Stol is frequented by dense cloud cover. It can be difficult to time your hike around the clouds to get the full effect of the panoramic views. Either way, it's stunning.