Hřensko (Herrnskretschen) is one of the gateways to the National Park Czech Switzerland. A small village situated at the confluence of the rivers Elbe and Kamenice is completely focused on tourism. With an altitude of 115 m asl is the lowest-lying municipalities in the Czech Republic. The countryside is admirable, powerful Elbe canyon, a beautiful valley along the river Kamenice with cruises on boats in Gorge (Edmund and Wild). The gorges are accessible only by sailing in a boat.). With low temperatures between rocks thrive here mountain plants.
Current information on admission and operation look at https://www.hrensko.cz/