Lake Erçek (Turkish: Erçek Gölü; Armenian: Արճակ լիճ) is a salt lake in the Van Province, eastern part of Turkey. It is located at 38°40′22″N 43°34′22″E / 38.672778°N 43.572778°E / 38.672778; 43.572778, close to Lake Van. Lake Erçek is located in the elevation of about 1,890 m. It has an area of 95.2 km² and maximum depth of 30 m.