It was drizzling by the time I arrived at Vintgar Gorge, but not enough to discourage me from making the hike. Truthfully, the gorge had not even been on my radar. I had taken the bus to Lake Bohinj in Slovenia‘s Triglav National Park the day before, intending to work my way back to Ljubljana via Lake Bled, stopping for a few hours in each place. But one look at Lake Bohinj, with its encircling Karst limestone towers, emerald water, and pocket beaches, and knew…