verçenik, which is the most difficult peak of the kaçkar mountains

access and artvin autumn background beautiful blackrose blue both bulut cloud clouds cultural culture degree difficult district easiest erzurum europe fog foliage forest green heaven hiking hill kapılı karedeniz kaçkar kaçkarlar lakes most mountain mountains natural night outdoor passages peak plateau rain rize rock season seasons sky star stone summer their took tourism travel universe valley verachenic view village water which yayla yusufeli