Mer Morte

The Dead Sea, or Mer Morte as it is known in French, is a hypersaline lake bordered by Jordan to the east and Israel and the West Bank to the west. It holds the distinction of being the lowest land-based elevation on Earth, with its surface approximately 439.78 meters (1,443 ft) below sea level as of 2025. This remarkable body of water is roughly 9.6 times saltier than the ocean, with a salinity of 34.2% (in 2011), making it one of the world's saltiest bodies of water.

Its name, the "Dead Sea," comes from the fact that its extreme salinity prevents macroscopic aquatic organisms like fish and most plants from thriving in its waters. However, microscopic bacteria, microbial fungi, and certain algae do exist. The dense, mineral-rich water creates an extraordinary buoyancy, allowing visitors to float effortlessly on its surface. This unique characteristic, coupled with the therapeutic properties attributed to its minerals, has drawn visitors for thousands of years, making it one of the world's first health resorts.

The Dead Sea is a landlocked terminal lake with no outlet, and its primary inflow comes from the Jordan River. The arid desert climate causes rapid evaporation, leaving behind a concentrated accumulation of salts and minerals. This evaporation, combined with water diversion from the Jordan River for agriculture and drinking water, has led to a significant and accelerating drop in the Dead Sea's water level, shrinking its surface area. Efforts are underway to address this environmental challenge.

History

The geological origins of the Dead Sea trace back approximately three million years to tectonic activity along the Jordan Rift Valley, a fracture extending from southern Turkey to eastern Africa. This movement created a deep depression that gradually filled with water from the Jordan River and other tributaries. During the Pleistocene Epoch, a much larger body of water, known as Lake Lisan, covered the entire Jordan Valley. As climate patterns shifted and water inflows decreased, Lake Lisan receded, leaving the Dead Sea as its concentrated remnant, accumulating millions of years of mineral deposits.

Throughout history, the Dead Sea region has been a significant site for numerous ancient civilizations, including the Egyptians, Nabataeans, and Romans. Its natural resources, particularly bitumen and salts, were highly valued in trade, medicine, and even embalming practices in ancient Egypt. The area is frequently mentioned in religious texts; in the Bible, it is referred to as the "Salt Sea" or "Sea of Arabah" and is associated with the biblical cities of Sodom and Gomorrah. The discovery of the Dead Sea Scrolls near Qumran in the mid-20th century further cemented the region's historical importance, providing some of the oldest known versions of Hebrew texts.

Renowned historical figures like Cleopatra of Egypt and the Roman conqueror Herod were aware of the therapeutic properties of the Dead Sea's mud and mineral-rich waters. They sought its benefits for health and beauty, a practice that continues to this day. The Dead Sea's unique environment, with its high atmospheric pressure and reduced harmful ultraviolet components due to its low elevation, also contributed to its reputation as a health destination.

In recent decades, the Dead Sea has faced significant environmental challenges, primarily due to the diversion of water from the Jordan River for agricultural and industrial purposes in Israel, Jordan, and Syria. This has led to a dramatic drop in water levels, accelerating its recession. Industrial operations by companies like Dead Sea Works and the Arab Potash Company, which extract potash, bromine, and magnesium, also contribute to the decline.

The primary draw of the Dead Sea is the unique experience of floating effortlessly on its hypersaline waters. Visitors can walk into the water to waist depth, then slowly recline, and their body will rise to the surface. It's crucial to float on your back, keep your head above water, and avoid splashing, as the concentrated salt water can cause intense burning if it gets into your eyes or mouth. Limiting each floating session to 15-20 minutes is recommended to prevent skin irritation and dehydration.

Beyond floating, the mineral-rich black mud found along the shoreline offers a natural spa treatment. Many resort beaches provide communal buckets of this mud, which can be applied to the skin, allowed to dry in the sun, and then rinsed off in the sea. This pelotherapy is believed to improve skin texture, hydration, and reduce inflammation.

For expansive views of the Dead Sea and the surrounding desert landscape, the Panorama Dead Sea Complex is a notable stop. It offers a viewing platform and the Zara Cliff Walk, a short path with broad vistas. Nearby, the Wadi Mujib Nature Reserve offers adventurous canyoning and hiking opportunities, though access can be limited by water levels. The Lowest Point on Earth Museum, near the Dead Sea, showcases artifacts from Lot's Cave and provides insights into the region's history.

The ideal time to visit the Dead Sea in Jordan is during the shoulder seasons of spring (March to May) and autumn (September to November). During these months, temperatures are pleasant, ranging from 20°C to 30°C (68°F to 86°F), making outdoor activities and floating comfortable.

Winter (November to March) also offers a mild climate, with daytime temperatures between 18°C and 25°C (64°F and 77°F), and fewer crowds, creating a tranquil atmosphere. Summer (June to August) can be extremely hot, with temperatures often exceeding 40°C (104°F), which can make prolonged outdoor activities less enjoyable.

Access to the Dead Sea is typically through resort hotels or public beaches along the Jordanian eastern shore. Many resorts offer day passes, providing access to private beaches, freshwater showers, and other amenities. Popular resorts include the Hilton Dead Sea Resort & Spa, Mövenpick Resort & Spa Dead Sea, and the Dead Sea Spa Hotel.

When preparing for a visit, it's essential to bring water shoes, as the shoreline is often rocky with sharp salt crystals. Avoid shaving for 24-48 hours before entering the water, and cover any open cuts or abrasions with waterproof bandages, as the high salt concentration will cause stinging. Carry a sealed bottle of fresh water to rinse your eyes if splashed.

Stay hydrated by drinking plenty of fresh water before, during, and after your visit. While floating is generally safe, it's important to heed safety rules, such as not swallowing the water, which can cause severe electrolyte imbalance. Lifeguards are typically present at designated swimming areas. The Dead Sea is approximately an hour's drive from Amman.