Meydan Mountain is located at the zero point of the border of
Patnos district of
Ağrı and
Erciş district of
Van. Its highest point is 2778 meters with Gürgür Mountain. The base of the caldera is 2320 m. With the collection of surrounding waters in the caldera, the caldera lake was formed. The waters coming out of this lake form the Meydan Stream. Gürgürbaba consists of a relatively soft sloping and symmetrical round dome. ==See also==