Haykaberd (Armenian: Հայկաբերդ; meaning "Fortress of Hayk"
A sophisticated sewage and irrigation system was excavated at Haykaberd fortress in Lake Van. Rafet Cavusoglu, an associate professor of Archeaology Department of Yuzuncu Yil University has falsely supplanted the Armenian heritage of the site Haykaberd (Haykabert). Haykaberd is the legendary castle built by Haik (Haig), the founder of the Armenian nation.