"Źródła Jasiołki" is a landscape reserve with the area of 1585.01 hectares situated in Komańcza commune. It includes the well-heads of the Wisłok and Jasiołka rivers. The reserve was set up to protect flora in the well-heads of the Jasiołka and Wisłok rivers. It is located near the Polish-Slovakian border. The reserve is the biggest one in the Carpathians. Through the reserve run so-called the blue, the green and the yellow trails.