Israel occupies 22,145 square kilometers between the Mediterranean Sea and the Jordan Rift Valley. The country extends 470 kilometers from the Lebanese border at Rosh HaNikra to the Gulf of Aqaba at Eilat, with maximum width of 135 kilometers from the Mediterranean coast to the Jordanian border. This narrow territory contains the Dead Sea at 430.5 meters below sea level, the lowest exposed land point on Earth, and Mount Hermon reaching 2,814 meters elevation at the northern tip of the Golan Heights. The elevation differential of 3,244 meters occurs within 200 kilometers horizontal distance.
The Negev Desert comprises 13,000 square kilometers, approximately 60 percent of Israel's total land area. This arid region receives less than 200 millimeters annual rainfall in the north, declining to 25 millimeters at Eilat. The desert extends from the Judean Mountains and Hebron Hills southward to the Red Sea, bordered east by the Arava Valley. Surface geology consists primarily of limestone, dolomite, chalk, and sandstone formations dating from the Jurassic through Eocene periods. Ramon Crater, located in the central Negev, measures 40 kilometers long, 2 to 10 kilometers wide, and 500 meters deep. This makhtesh formation developed through erosion rather than impact or volcanic activity. Water dissolved soluble rock layers beneath harder caprock, creating a cavity that collapsed and subsequently eroded along north-south fault lines over five million years.
The Jordan Rift Valley represents the northernmost section of the Great Rift Valley system extending from Syria to Mozambique. This tectonic depression resulted from the divergent movement of the African and Arabian plates beginning approximately 35 million years ago. Within Israel, the rift contains the Hula Valley, Sea of Galilee, Jordan River, and Dead Sea in a continuous north-south alignment. The Sea of Galilee sits 209 meters below sea level, measuring 21 kilometers long and 13 kilometers wide with maximum depth of 43 meters. This freshwater lake contains approximately 4 billion cubic meters of water and serves as Israel's primary water reservoir. The Jordan River flows 251 kilometers from Mount Hermon through the Sea of Galilee to the Dead Sea, dropping 610 meters in elevation. Current flow rates average 20 to 30 cubic meters per second, reduced from historical flows exceeding 1,000 cubic meters per second before upstream diversion for agricultural and municipal use.
The Dead Sea occupies the deepest point of the Jordan Rift Valley. The water surface fluctuates between 430 and 435 meters below sea level depending on seasonal inflow and evaporation. The lake extends 50 kilometers north to south with maximum width of 15 kilometers and maximum depth of 304 meters. Salinity measures 34.2 percent, approximately ten times ocean salinity, creating density of 1.24 kilograms per liter compared to 1.03 for seawater. This hypersalinity prevents fish and aquatic plant life, though halophilic bacteria and microbial fungi survive. Mineral composition includes magnesium chloride, sodium chloride, calcium chloride, potassium chloride, and magnesium bromide in concentrations supporting commercial extraction. The Dead Sea level declined 1.4 meters annually between 1976 and 2019, totaling over 40 meters of retreat due to water diversion from the Jordan River and mineral extraction evaporation ponds. The shoreline receded exposing over 7,000 sinkholes formed when freshwater aquifers dissolve underground salt layers.
The Coastal Plain extends 187 kilometers along the Mediterranean from Rosh HaNikra to the Gaza Strip, varying in width from 6 to 40 kilometers. Ancient sand dunes accumulated parallel to the shoreline, now consolidated into kurkar ridges composed of calcareous sandstone. Red sandy soil called hamra developed between these ridges, providing agricultural land for citrus cultivation since the late 19th century. The coastline consists primarily of sandy beaches interrupted by kurkar outcrops at Rosh HaNikra, Acre, Haifa, Caesarea, and Ashkelon. The Carmel mountain range interrupts the coastal plain at Haifa, rising 546 meters at Mount Carmel and extending 30 kilometers southeast. This limestone and dolomite massif contains over 1,000 caves including the Tabun Cave where Neanderthal remains dating to 150,000 years were excavated.
The Judean Desert occupies 1,500 square kilometers between the Judean Mountains and the Dead Sea. This rain shadow desert receives 100 millimeters annual precipitation in the west declining to 50 millimeters approaching the Dead Sea. The terrain descends from 800 meters elevation at Jerusalem to 400 meters below sea level over a horizontal distance of 25 kilometers, creating deeply incised wadis including Qidron, Og, Darga, and Arugot. These seasonal watercourses remain dry except during winter flash floods. Ein Gedi Nature Reserve contains four perennial springs discharging from Cenomanian aquifers, supporting vegetation including Sodom apple, Christ's thorn jujube, and acacia species within otherwise barren terrain. The reserve encompasses 25 square kilometers where Nubian ibex, rock hyrax, and desert leopard populations persist.
The Golan Heights plateau extends 67 kilometers north-south and 25 kilometers east-west, covering 1,800 square kilometers. This volcanic basalt region formed through eruptions during the Pliocene and Pleistocene epochs 4 million to 10,000 years ago. Elevation ranges from 400 meters at the southern tip near the Yarmuk River to 2,814 meters at Mount Hermon. Over 30 extinct volcanic cones dot the landscape including Mount Avital at 1,204 meters and Mount Bental at 1,165 meters. Basalt flows created soil supporting oak, terebinth, and hawthorn woodland in areas receiving over 600 millimeters annual precipitation. The northern sector receives 1,000 to 1,300 millimeters annually including winter snowfall above 1,400 meters elevation.
Mount Hermon straddles the border between Israel, Lebanon, and Syria. The Israeli-controlled southern slopes reach 2,236 meters at the summit of the accessible ski area. The 2,814-meter peak lies in Syrian territory. The mountain consists of Jurassic limestone uplifted during the Syrian Arc deformation. Snowfall accumulates from December through March above 1,600 meters, persisting in shaded areas until June. This snowmelt feeds springs including the Banias, Dan, and Snir that form the primary sources of the Jordan River. These three springs discharge a combined 690 million cubic meters annually. The Banias Spring emerges from a cave at 350 meters elevation with average flow of 4.5 cubic meters per second. Ancient worshippers identified the cave as the birthplace of the Greek god Pan, constructing shrines from the Hellenistic period through the Roman era.
The Hula Valley occupies a former lake basin in the northern Jordan Rift Valley. Lake Hula originally covered 60 square kilometers with surrounding swamps extending over 100 additional square kilometers. The lake averaged 2 meters depth with maximum depth of 5 meters. Between 1951 and 1958, drainage canals reduced the lake to 3.5 square kilometers and converted wetlands to agricultural land. Peat fires and soil subsidence prompted partial re-flooding in 1994, creating a 1.5 square kilometer shallow lake managed for wildlife. The Hula Valley now encompasses 79 square kilometers of agricultural land and 32 square kilometers of nature reserves. Over 500 million migratory birds including pelicans, cranes, storks, and herons transit the valley biannually along the Syria-African Rift flyway.