Since the end of the 19th century, the dolomite hills of the Szénás area in the Buda Hills have been considered among the most important natural areas of Hungary. The plant communities provide habitat for a number of endemic and relic species, among them the Dolomite flax (Linum dolomiticum), which is unique to the site.
The Council of Europe recognised its significance by awarding the European Diploma in 1995.

In 2003, support to nature management on the site has been received from the LIFE-Nature Fund of the European Union.