Postcard VE-705 hector_alejandro Venezuela 14 Sep, 2011 238 days 9,789 miles account closed Taiwan 9 May, 2012 Loading map... Kavak Canyon Lubov117 said: posted over 2 years ago Venezuela's grand Kavac Canyon, the world's narrowest canyon, is a system of caves and narrow corridors in a giant fissure mountain, along the bottom which flows river. You need to sign in to leave a comment!