Lakes with the Longest Shorelines in the World

a rocky shore of Lake Superior
Courtesy of Michigan.org
  • These four lakes have the longest shorelines in the world:
    • Caspian Sea
    • Lake Superior
    • Lake Huron
    • Lake Victoria

From the continent-connecting Caspian Sea to the tropical allure of Lake Victoria, lakes with long shorelines have earned the attention and imagination of people across the globe. As we explore the history and cultural significance of these lakes, let this list of lakes with the longest shorelines serve as your vacation guide.

Caspian Sea

An aerial shot of the Caspian Sea
Courtesy of Central Asia Program

Sat between two continents, Europe and Asia, the Caspian Sea is, appropriately, the largest lake in the world. The lake’s shoreline stretches from 4,300–4,400 miles long, and it touches Kazakhstan, Turkmenistan, Iran, Azerbaijan, and Russia. While it spans 43,550 square miles, the surface area depends largely on the season and weather patterns, as evaporation is a huge factor in declining water levels. That being said, the lake’s primary water source is the Volga River — contributing to over 80% of inflows. Additionally, water levels are highest during the spring, when the snow melts and flows into the Volga.

While the world knows it as the Caspian Sea, this inland sea is actually a lake. Stories, legends, and myths differ, but tales say that early Greeks encountered the area, and the vastness of the body of water lead them to believe that it was a wide, open sea. The high salinity of the water contributes to this theory. Many cultures and civilizations have relied on the Caspian Sea’s water and fish populations. Unlike the rest of dry Iran, their coast on the Caspian Sea is lush and verdant. The western and north-western shores are temperate, and the eastern shores are vastly arid.

Lake Superior

an aerial shot of an island with trees in Lake Superior
Courtesy of Michigan.org

Largest among the American Great Lakes, Lake Superior’s 2,725-mile shoreline dominates the region. This chief among the Great Lakes borders Ontario, Minnesota, Wisconsin, and Michigan. Not only the largest lake in the United States, it’s also the largest freshwater lake — 10% of the world’s surface freshwater — in the world and the third-largest by volume. A testament to its size and depth, which averages 483 feet, the other Great Lakes could fit within Lake Superior with plenty of room to spare.

Lake Superior is classified as a glacial lake, meaning that it resulted from the movement and melting of glaciers about 1.2 billion years ago. Later, the native peoples of the area, today called the Ojibwe, called the lake “Gitchi-Gami,” which means “Great Sea.” As for modern times, Lake Superior holds within it at least 350 shipwrecks. The lake became a mainstay for anglers and fishermen, and it contains 88 species of fish. Lake Superior’s primary inflow is the Nigipon River in the north, and it flows out of the St. Mary’s River into Lake Huron.

Lake Huron

The second-largest of the American Great Lakes, Lake Huron is situated between the state of Michigan in the United States and the province of Ontario in Canada. One of the defining features of Lake Huron is its extensive shoreline, stretching over 2,380 miles. From rocky cliffs to sandy beaches, it offers a variety of scenic vistas and recreational opportunities. Towns and harbors dot the coast, attracting tourists and nature enthusiasts who enjoy activities like swimming, boating, fishing, and exploring picturesque coastal areas.

Its origins can be traced back to the retreat of glaciers over 10,000 years ago during the last Ice Age. The lake played a significant role in the development of early Indigenous cultures, serving as a vital waterway for transportation and trade. European exploration and colonization in the 17th century brought French and British influences to the region, leading to the establishment of fur trading posts and the eventual growth of settlements along the lake’s shores.

Lake Victoria

a boat in a lake with hills in the background
Courtesy of andbeyond.com

It takes about three months for the cool waters from Lake Victoria to travel to the Nile Delta and the Mediterranean Sea. Lake Victoria, Africa’s largest lake, is a member of what historians dub the “African Great Lake” and boasts an impressive shoreline between 2,100–2,400 miles. Not content with being the largest lake in Africa, it’s also the world’s largest tropical lake and second-largest freshwater lake. Lake Victoria is home to over 60 islands, called the Sese Archipelago, and 200 species of fish, of which tilapia is highly favored.

a map showing where Lake Victoria is
Courtesy of ACARE.org

Lake Victoria, also known as Ukerewe and Victoria Nyanza, is fed by the Kagera River and regular rainfall. This water travels through the Vicotria Nile in the north into Lake Kyoga, and then it flows into Lake Albert, the White Nile, and finally into the Nile proper. The lake can be divided into three distinct regions: south, north, and northeast. These regions correspond to Uganda, Tanzania, and Kenya — the nations that call the lake their own. Furthermore, Lake Victoria contributed greatly to the growth of these nations, and Uganda’s capital, Kampala sits on the northern shore.

So, now you know your next jet-setting lake vacation destination. But for a better idea of the lakes with the longest shorelines in the United States—including one anomaly— check out our other blog!

Top 5 Deepest Lakes in the World

Photo courtesy of travelmedford.com.

Whether it’s the mystery of “what lies beneath” or the sheer natural wonder, deep waters are fascinating. The U.S. is home to many deep lakes, including Crater Lake in Oregon, which is deep enough to fit One World Trade Center with 200 feet to spare. In the Lake Homes market footprint, Lake Superior ranks the deepest at 1,333 feet. Although we love our country’s lakes, today, we appreciate the five deepest lakes across the globe. 

Lake Baikal (5,577 feet)

Photo courtesy of remotelands.com.

This Russian UNESCO World Heritage site could fit the world’s two tallest buildings (Burj Khalifa and the Makkah Royal Clock Tower) plus the Washington Monument. It also contains almost 20% of the world’s unfrozen freshwater reserve. Not only is Lake Baikal the world’s deepest lake– it’s also the oldest. It was formed 25 million years ago through the planet’s diverging crust. Baikal’s age and isolation have resulted in unique freshwater fauna. More than 1,500 animal species reside in Lake Baikal, 80% of which are endemic (i.e., they don’t live anywhere else in the world). One of these creatures is the Nerpa seal, the world’s only freshwater seal. As photographer James Napoli documented for National Geographic, they like to lounge on the lake’s rocks. If you visit Baikal in winter, be sure to dress appropriately, as it can reach minus 40 degrees. It is Siberia, after all! 

Lake Tanganyika (4,700 feet)

Photo courtesy of marvetanzania.com.

Tanganyika is a massive lake in Africa that borders four countries: Tanzania, Burundi, the Democratic Republic of the Congo, and Zambia. Its depth results from proximity to The Great Rift Valley, a pronounced fissure in the earth’s crust. Besides being the second deepest lake, it’s also the world’s longest freshwater lake. Its remarkably clear waters (visible of up to 65 feet) are 350 species of tropical fish. Most of these fish are cichlids, and 90% of them are endemic. Similar to Lake Baikal, Lake Tanganyika’s old age and seclusion helped these fish flourish. It’s no wonder Tanganyika is renowned for aquarium exports and angling. If you visit, be sure to skip the swimming — this deep lake is home to crocodiles! 

Caspian Sea (3,360 feet)

Photo courtesy of edgekz.com.

Despite its name, the Caspian Sea is both a sea and lake. However, the distinction is more than semantics. If it’s a sea, the United Nations splits the sea’s ownership based on the neighboring countries’ shoreline length. However, if it’s a lake, countries can evenly divide ownership. As such, its surrounding nations (Azerbaijan, Iran, Kazakhstan, Russia, and Turkmenistan) quarrel over its ownership. Kazakhstan, with the longest coastline, would prefer a “sea” classification. But Iran with a shorter border, will vote for “lake.” It’s unsurprising why this body of water is coveted — it’s famous for its oil and natural gas. According to the U.S. Energy and Information Administration, the Caspian Sea produces 2.6 million barrels of crude oil per day. Besides its economic value, bathing in these oils can heal up to 70 ailments, according to one doctor at a spa in Azerbaijan. 

Lake Vostok (2,950 feet)

Photo courtesy of greenarea.me.

Vostok, near the South Pole, is one of the earth’s most intense climates. It’s home to the lowest recorded temperature on the earth’s surface at minus 89.2 degrees. However, the lake is even colder below the surface. For at least 15 million years, Lake Vostok has been covered by 1.2 miles of thick ice. Its presence was unknown until the 1960s when a Russian pilot noticed its outline from the sky. In the 1990s, researchers confirmed this subglacial lake’s existence. Today, only scientists can visit. When first studying the lake, Russian researchers at Vostok Station were intrigued by its lack of access to sunlight and nutrients. They thought a climate akin to Jupiter’s moons must be inhospitable to life. However, recent research indicates that there is life beneath its waters. This discovery points to the possibility of life on other planets. Check out NASA’s video from scientist Dr. David Morrison describing Lake Vostok’s space-related implications.

Lake O’ Higgins/ San Martín (2,742 feet)

Photo courtesy of travelblog.org.

Divided between Chili and Argentina, Lake O’ Higgins/ San Martín is the deepest lake in the Americas and 5th deepest in the world. Its depth is caused by the constant glacial movement that erodes the lake’s floor. Its irregular shape distinguishes it with eight distinct arms and the water’s milky blue color is caused by rock flour. The lake is also known for its steep surrounding mountains that were not inhabited until the early 1900s. If you’re confused by the lake’s double name, the answer depends on your country. If you’re in Chili, it’s Lago O’Higgins and San Martín in Argentina. Both sides are named for influential leaders, Argentinian Jose de San Martín and Chilean Bernardo O’Higgins, who fought for Chile’s independence in the early 1800s. 

For more lake-related trivia, check out American Lakes With the Highest Elevation and 5 of the World’s Largest Man-Made Lakes.

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