There are about 6,000 lakes in Lithuania, covering 950 km², or 1.5% of the territory of Lithuania. The lakes are not evenly distributed; most are situated in the Baltic Highlands, which begin near the border with Poland on the southeast and extend northward along the border with Belarus to Latvia.

About 1,200 are supported only by groundwater and neither receive nor distribute any surface water. However, many of the other lakes are interconnected by complex passages and rivulets. These lake systems are major tourist attractions in Aukštaitija National Park and are popular with kayakers. The lakes in and near the Molėtai district municipality are a weekend destination for many residents of Vilnius, who have built summer houses and villas in the area.

The most famous Lithuanian lakes are Drūkšiai which is the biggest one (44 sq.km width), the longest lake Asveja (21,9 km length) and the deepest Tauragnas(60,5m depth).

In Lithuania there are 2834 lakes larger than 0.5 ha

Total area - 880 km².
¹ Lake Vistytis could be the 4th but very small part of it is situated on the territory of the Republic of Lithuania.