The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden, and the North and Central European Plain.
Lake Peipus is the largest trans-boundary lake in Europe, lying on the international border between Estonia and Russia.
Valga County is a first-level administrative unit and one of 15 counties of Estonia. It comprises the former area of Valga District. The present-day county was created on 1 January 1990. The capital and largest town of Valga County is Valga, followed by Tõrva and Otepää. It is situated in the southern part of the country and borders Põlva and Võru County to the east, Latvia to the south and west, and Viljandi and Tartu County to the north. 27,650 people live in Valga County as of 2022.
Kaali is a group of nine meteorite craters in the village of Kaali on the Estonian island of Saaremaa. Most recent estimates put its formation shortly after 1530–1450 BC. It was created by an impact event and is one of the few impact events that has occurred in a populated area.
Lake Võrtsjärv is a lake in southern Estonia with an area of 270 km² (104 mi²).
Lake Viljandi is a lake in Viljandi County, Estonia. The lake lies in a deep valley below the town of Viljandi. It has a depth of 11 m (36 ft), length of 4.6 km (2.9 mi), width of 400 m (1,300 ft), and area of 1.55 km2 (0.60 sq mi). Uueveski and Valuoja creeks and a number of springs flow into the lake. The Raudna River flows from the southwestern part of the lake. The main fish in the lake are bream, roach, perch, and pike. The lake and its shores make up the Viljandi landscape protection area.
Harku Lake is a 162.9 ha lake on the western border of Tallinn, Estonia. It has an average depth of 1.6 m (5.2 ft) and a maximum depth of 2.5 m (8.2 ft).
Kuremaa is a small borough in Jõgeva Parish, Jõgeva County in eastern Estonia. It lies 10 km from Jõgeva, near the northern shore of Lake Kuremaa, the 11th largest lake in Estonia. Kuremaa features an estate that was owned by the von Oettingen family until the early 20th century. Part of the estate's manor house is now a museum, its windmill in neighbouring Mooritsa village is a popular landmark, and its terraced gardens reach down to the shore of Lake Kuremaa.
Paunküla Reservoir is located in Kiruvere Village, Kose Parish, Harju County, Estonia near Ardu.
Lake Kuremaa is a 397 ha lake in Jõgeva Parish, Jõgeva County, Estonia, located 2 km (1.2 mi) north of Palamuse. It is the 11th largest lake in Estonia and the second largest in the Vooremaa region. It has an average depth of 5.9 m (19 ft), max. depth is 13.3 metres (44 ft). The lake is 83 metres (272 ft) above sea level.
Soodla Reservoir is located on Soodla river in Pillapalu Village, Anija Parish, Harju County, Estonia, near Kehra and Kuusalu.
Lake Tamula is a lake in southern Estonia, located on the southeastern side of the town of Võru. The lake has an area of 2.313 km2, average depth is 4.2 m and maximum depth 7.5 m.
Lake Hino is a lake in Rõuge Parish, Võru County, Estonia. It is located near the villages of Hino and Misso.
Viitna Pikkjärv is a 16.1 ha lake in northern Estonia. It's located in Viitna village, Kadrina Parish, Lääne-Viru County. The average depth is 3 m (9.8 ft) and max. depth 6.2 m (20 ft).
Mullutu-Suurlaht is the fourth largest lake in Estonia. It is located on the island of Saaremaa, about 2 kilometres (1.2 mi) west of the town of Kuressaare. It has an area of 1,440 ha and the max. depth is 2.1 metres (6.9 ft). Mullutu-Suurlaht is a brackish waterbody that consists of two parts:
Vaskjala Reservoir is located on Pirita river in Vaskjala Village, Rae Parish, Harju County, Estonia near Jüri.
Koorküla Valgjärv is a lake in Tõrva Parish, Valga County, Estonia. The lake is one of the deepest in Estonia.
Kaunissaare Reservoir is located on Jägala river in Kaunissaare Village, Anija Parish, Harju County, Estonia, near Kehra.
Aavoja Reservoir is located on Aavoja river in Anija Parish, Harju County, Estonia near Kehra.
Väike-Palkna Lake is a boundary lake between Estonia and Latvia.
