The Butterfly Hill is a natural reservation of floristic and faunistic type located in the southeastern part of Cluj county, in Viişoara commune. It’s name is due both to the richness of butterfly species, but especially by the presence of some very rare species.
The protected area is an area of pastures and meadows that houses a wide variety of butterflies (from which over 150 species of the Lepidoptera order), as well as several species of plants, including astragalus, sage, jurinea or tartan.