We join a ziplining (canopy) tour in the forest near La Fortuna. This is how it works: You wear a harness that is attached to some rolls that roll on a steel cable. You slide down the cable sitting, and you have one hand in a leather glove sliding on the cable behind (!) the rolls. That hand is both to keep your direction and prevent you from spinning, but also to break by pulling on the line with the glove. I don't trust this technology very much, but it's all w...

We arrive at the Backpackers, La Fortuna. It's still time to go to the La Fortuna catarata, a really nice waterfall, probably 20 m high or more. We move down about 500 steps to its bottom, where the water rushes with force into a basin of very clear and cool water surrounded by rocks. We go swimming in the water. It's impossible to get closer than 10 m to where the water falls into the pool, because the water current just pushes you back - but it's fun to try. A...