Petrof's lakes between Třebší and Vysoká nad Labem

Černý potok, today known as Biřička, used to be much waterier and more predatory than it is today. Since time immemorial, it has created a system of lakes along its course, which were later modified by human activity, but the biggest influence on their area and development was frequent floods on the Elbe River, which flows not far from here, e.g. the one at the turn of March and April 1909. The first northernmost lake , which is located near the dry cleaners…