Estonia is home to over 2300 lakes with an area of more than one hectare. Together, they cover over 2100 km2, or approximately 4.8% of Estonia's territory. The majority of the lakes' total area is comprised of Lake Peipsi, Lake Võrtsjärv, and the Narva Reservoir. Small lakes, on the other hand, account for only 176 km2, or 8.5%. Most of Estonia's natural lakes are of glacial origin.
| Name | Area (ha) |
|---|---|
| Lake Peipsi-Pskov | 354307.0 |
| Lake Võrtsjärv | 26919.1 |
| Narva Reservoir | 10587.9 |
| Lake Ülemiste | 944.4 |
| Lake Saadjärv | 723.5 |
| Great Bay | 539.5 |
| Lake Vagula | 603.3 |
| Lake Veisjärv | 480.7 |
| Lake Ermistu | 449.5 |
| Paunküla Reservoir | 420.2 |
| Name | Depth (m) | Area (ha) |
|---|---|---|
| Lake Rõuge Suurjärv | 38 | 13.5 |
| Lake Väike-Palkna | 31.9 | 4.5 |
| Lake Udsu | 30.2 | 6.2 |
| Lake Tsolgo Mustjärv | 29.7 | 6 |
| Lake Uhtjärv | 27.6 | 43.5 |
| Lake Keema Suurjärv | 27.5 | 3.9 |
| Lake Koorküla Valgjärv | 26.8 | 44.1 |
| Lake Pindi Kärnjärv | 26 | 8.3 |
| Lake Jõksi | 25.4 | 64.9 |
| Lake Piigandi | 25.3 | 43.4 |
| Lake Saadjärv | 25 | 710 |
| Lake Vellavere Külajärv | 25 | 3.6 |
| Lake Petajärv | 25 | 3.6 |
The largest lake associated with Estonia is Lake Peipsi-Pskov, while Lake Võrtsjärv is the largest lake entirely within Estonia.
The deepest lake in Estonia is Lake Rõuge Suurjärv, with a depth of 38 meters.