Neman

The Neman is a big river in Europe. It starts in central Belarus and flows through Lithuania before forming the northern border of Kaliningrad Oblast, which is part of Russia. The river ends in the Curonian Lagoon, close to the Baltic Sea. It is about 937 kilometers (582 miles) long, making it a very important river in Eastern Europe.

It is the largest river in Lithuania and the third-largest in Belarus. People can travel on the river for most of its length. The Neman begins from two small streams that join southwest of the town of Uzda, not far from Minsk, the capital of Belarus. The river has some interesting loops and curves, especially near a minor fault in the earth.

The area around the Neman was settled about 25,000 to 22,000 years ago, after the last big glacial period. The river’s depth changes; it is only about 1 meter deep in the upper parts but can be up to 5 meters deep near where it meets the sea.

Numbers

The Neman River is 937 km (582 mi) long, making it the fourth longest river that flows into the Baltic Sea. About 436 km (271 mi) of the river is in Belarus, and 359 km (223 mi) is in Lithuania. A part of the river, 116 km (72 mi) long, forms the border between Lithuania and Russia’s Kaliningrad oblast.

The river is not very deep, with its deepest point being 5 m (16 ft), and it can get as wide as 500 m (1,600 ft). It flows slowly, moving at about 1 to 2 m/s (3.3 to 6.6 ft/s). When there are big floods, the amount of water can increase a lot, up to 11 times more, reaching over 6,800 m³/s (240,000 cu ft/s). Big floods happen about every 12 to 15 years and can sometimes damage bridges.

The Neman River is very old, dating back to the time of the last glacial period. Its valley can be up to 60 meters (200 ft) deep and 5 km (3 mi) wide. It has about 105 major smaller rivers that flow into it, with the biggest ones being the Neris (called Viliya), Shchara, and Šešupė. In the entire area where the Neman River flows, there are smaller rivers stretching to the 11th level of smaller streams.

In Lithuania, the Neman River’s area covers more than 20,000 smaller rivers and streams and includes 72% of the country’s land.

The total area covered by the Neman River’s watershed is 98,200 km² (37,900 mi²). Of this, 34,610 km² (13,360 mi²) is in Belarus, and the part in Lithuania is 46,695 km² (268 sq mi). The lowest point above sea level in Belarus is in the Neman River valley in the Grodno Region, where it is between 80 to 90 m (260 to 300 ft) above sea level.

River course

Nemunas loops

Because of where they are, the "Nemunas loops" are often talked about using the Lithuanian name for the river. In 1992, Nemunas Loops Regional Park was created. Its goal is to protect the special bends, called vingis, that the river makes in the Punia forest. Near Prienai, the river makes a long bend shaped like a teardrop, almost closing a loop. The river also follows a long bend between Balbieriškis and Birštonas before heading north for a short distance. These loops are not just normal river curves; they follow old underground structures. The area has important history and culture, with castles that helped protect against attacks long ago.

Delta

Main article: Nemunas Delta

Where the river ends, it splits into many smaller streams and canals mixed with land areas called polders and wet lands. This makes it a popular place for nature lovers. The four main streams are Atmata, Pakalnė, Skirvytė, and Gilija. The river is very important for the Curonian Lagoon, bringing fresh water that helps many animals live there. Because the river delta is in Lithuania, it is often called the Nemunas Delta. Nemunas Delta Regional Park was started in the delta area in 1992.

Tributaries

The following rivers flow into the Neman/Nemunas (from its start to where it ends):

• Left: Servach, Mowchadz’, Shchara, Zelvyanka, Svislach, Lasosna, Czarna Hańcza, Zembrė, Peršėkė, Šešupė, Tylzha
• Right: Western Berezina, Gauja, Kotra, Haradnichanka, Merkys, Verknė, Strėva, Neris, Nevėžis, Dubysa, Mituva, Jūra, Minija

Largest settlements on the river

From west to east, the biggest towns and cities along the river are Sovetsk/Tilsit, Neman, Kaunas, Alytus, Druskininkai, Grodno, and Masty.

Significance in culture

The Neman River has been important in history and culture for many years. Ancient writer Ptolemy called it Chronos, although some think he may have been talking about a different river called the Pregolya.

The river gave its name to the Neman Culture, an ancient group of people from the time of the Neolithic period.

In German, the part of the river that flows through a place called historic Prussia has been known as die Memel since around 1250. This name came from the local people’s name for the river. The city at the river’s mouth, now called Klaipėda in Lithuania, was once named Memel.

The river has been used in important treaties and events. For example, the Treaty of Tilsit was signed on a raft in the river in 1807. The river was also mentioned in famous books like War and Peace and Pan Tadeusz.

Lithuanians call the river Nemunas, meaning “the father of rivers.” Many companies, organizations, and places in Lithuania use the name Nemunas. The river appears in Lithuanian and Polish literature and poetry.

The meaning of the name Nemunas is not fully agreed upon. Some think it means “a damp place,” while others believe it means “mute, soundless river.” The name might also come from a Finnic word meaning “cape.”

Economic significance

The Neman River is very important for many reasons. People use it for fishing, making electricity, getting clean water, and helping factories and farms. It is also a fun place for tourists and for traveling by boat.

Big cities like Grodno, Alytus, Kaunas, and Sovetsk are along the river. Many jobs in these places depend on the river, such as making machines, paper, and chemicals. In Kaunas, a big dam was built in 1959 to make electricity. This created a large lake called the Kaunas Reservoir, which is very popular for boating.

The river is also connected to another river called the Vistula by a canal built a long time ago.

Biological communities

The Neman River is home to many types of fish, including perch, pike, zander, roach, tench, bream, rudd, ruffe, and bleak. Its smaller rivers and streams have fish such as stone loach, three-spined stickleback, minnows, trout, sculpins, gudgeon, dace, and chub.

Atlantic salmon used to swim up the river to lay their eggs, but many dams built in the 1900s made it hard for them to reach their spawning grounds. The dam at Kaunas does not have special paths for fish to pass through. In the past, people often fished at night using lights and special tools.

Environmental issues

The Neman River faces some environmental challenges. In Lithuania, the water quality is often only moderately clean, with high levels of organic pollutants, nitrates, and phosphates. These problems are partly due to old sewage treatment systems. Other issues include changes in water flow and efforts to control flooding. Each country along the river has its own set of problems. In Belarus, oil products and nitrogen are major concerns. In the Kaliningrad area, high levels of biological oxygen demand, lignosulphates, and nitrogen are issues. The Kaunas Hydroelectric Power Plant also affects the plants and animals along the riverbanks. Despite the challenges, efforts to improve water quality are happening, though working together across different countries can be difficult.