Optimistic cavern
The season of excursion to the caverns is in full play, and we offer to your attention excursions to the cavern Optimistic, the longest gypsum cavern in a world.
The nearest tour is Excursions to the cavern Optimistic+Mlynky is starting on 30 of November. It is two day tour, that combines in itself speleo trips to both caverns: Optimistic cave and Mlynky cave.
