High Quality Content by WIKIPEDIA articles! The Valyavishki Lakes (Bulgarian: Валявишки езера) is a group of lakes in the northern parts Pirin, southwestern Bulgaria and includes 10 lakes. They are amphitheatrically situated in the cirque of the same name. The lakes are glacial and lie on a granite bed. They are located between 2,300 and 2,475 m. Their shores are steep and rocky. Pine-scrub grows around the lakes due to the high altitude.