Lake Sevan
Lake Sevan (Armenian: Սևանա լիճ, romanized: Sevana lich) is a large lake in Armenia. It is the largest body of water in both Armenia and the Caucasus region. Sevan is one of the largest freshwater high-altitude (alpine) lakes in Eurasia. The lake is in Gegharkunik Province. It is  above sea level. The surface area of the basin of lake is about . It cover  about one sixth of  Armenia's total area. The lake itself is . It has a volume is . Sevan  is fed by 28 rivers and streams. Only 10% of the  water that enters the lake  is drained by the Hrazdan River. The remaining 90% evaporates.