Jordan occupies 89,342 square kilometers between the 29th and 34th parallels north, bounded by Syria to the north, Iraq to the northeast, Saudi Arabia to the east and south, and Israel and the West Bank to the west. The country contains three major geographic zones running roughly north to south: the Jordan Rift Valley along the western border, the highlands plateau through the center, and the desert expanse comprising approximately 80 percent of total land area to the east. This arrangement creates extreme topographic variation within a relatively small territory, with elevations ranging from 430.5 meters below sea level at the Dead Sea shore to 1,854 meters above sea level at Jabal Umm ad Dami near the Saudi border. The kingdom extends approximately 400 kilometers from north to south and varies between 35 and 180 kilometers in width from east to west.
The Jordan Rift Valley forms the western boundary of the country as part of the larger Great Rift Valley system extending from East Africa through the Red Sea. Within Jordan this depression contains the Jordan River, which enters from Syria and flows southward approximately 251 kilometers to empty into the Dead Sea. The river itself averages only 27 meters in width and one to three meters in depth for most of its course, with flow rates that have declined from historical levels of 1.3 billion cubic meters annually to approximately 200 to 300 million cubic meters in recent decades due to upstream diversions and extraction. The valley floor sits predominantly below sea level, creating a closed hydrological basin with no outlet to the ocean.
The Dead Sea occupies the southern portion of the Jordan Rift Valley and represents the lowest exposed land surface on Earth. Satellite measurements in 2023 recorded the surface elevation at approximately 430.5 meters below mean sea level, though this level continues to drop at a rate of approximately one meter per year. The water body currently measures roughly 50 kilometers from north to south and reaches maximum width of 15 kilometers, with total surface area of approximately 605 square kilometers, down from about 950 square kilometers in 1930. The lake reaches maximum recorded depth of 306 meters in its northern basin. Salinity measures approximately 34 percent, nearly ten times the concentration of ocean water, created by millennia of evaporation in the enclosed basin with no outflow. The Jordanian shoreline extends for approximately 70 kilometers along the eastern shore.
The Moab Plateau rises sharply from the eastern shore of the Dead Sea, ascending from 400 meters below sea level to elevations exceeding 1,300 meters above sea level within horizontal distances of less than 10 kilometers in some locations. This escarpment continues northward into the Ajloun Highlands, which reach elevations between 900 and 1,200 meters and receive the highest precipitation in Jordan, typically between 400 and 600 millimeters annually concentrated in the November to March period. These highlands occupy a narrow band rarely exceeding 30 kilometers in width running parallel to the Jordan Valley. The eastern slopes descend gradually into the desert plateau over distances of 50 to 100 kilometers.
Wadi Rum occupies a protected area of 720 square kilometers in southern Jordan, approximately 320 kilometers south of Amman and 70 kilometers northeast of Aqaba. The designation "wadi" refers to valleys formed by water erosion, though permanent surface water is absent from Wadi Rum in current conditions. The landscape consists of sandstone and granite formations rising from a sandy valley floor, with individual rock massifs reaching elevations up to 1,750 meters at Jabal Rum. The dominant sandstone displays red, orange, and pink coloration derived from iron oxide content, while granite intrusions appear as darker formations. UNESCO inscribed Wadi Rum as a World Heritage Site in 2011 under both natural and cultural criteria, noting the rock art and inscriptions spanning 12,000 years of human occupation alongside the desert landforms. The sandstone contains petroglyphs and rock paintings attributed to Thamudic peoples who inhabited the region between approximately 500 BCE and 400 CE.
The Arabian Desert extends across eastern and southern Jordan as part of the larger desert system covering much of the Arabian Peninsula. Within Jordan this area receives less than 50 millimeters of precipitation annually and in some sections less than 25 millimeters. Vegetation consists primarily of drought-adapted shrubs and grasses that respond to sporadic rainfall events. The desert surface varies between sand sheets, gravel plains called hamada, and exposed bedrock. Seasonal wadis drain precipitation from the highlands eastward into the desert, creating linear oases that support concentrated vegetation and historically provided routes for human movement and settlement. These drainage channels rarely carry surface flow except following substantial rainfall, but subsurface water moves through permeable sediments beneath the wadi floors.
The Gulf of Aqaba provides Jordan's only maritime access, with approximately 27 kilometers of coastline at the northern terminus of the gulf. The port city of Aqaba sits at this location, where the coastline borders Israel to the west, Saudi Arabia to the east, and Egypt across the water to the southwest. The gulf extends approximately 180 kilometers southward to connect with the Red Sea, with widths between 15 and 25 kilometers. Water depths reach 1,850 meters in the central basin. The Jordanian coastal zone contains coral reef systems extending from shore to depths of approximately 30 meters. Water temperatures range from 20 to 26 degrees Celsius, supporting approximately 127 species of hard coral and more than 500 fish species recorded in scientific surveys conducted by the Aqaba Marine Park authorities.
Dana Biosphere Reserve encompasses 320 square kilometers between the Dead Sea and Wadi Araba, established in 1989 as Jordan's largest nature reserve. The reserve spans four distinct biogeographic zones due to its elevation range from 50 meters below sea level to 1,500 meters above sea level, containing elements of Mediterranean, Irano-Turanian, Saharo-Arabian, and Sudanian vegetation zones within a single protected area. Scientific inventories have documented 703 plant species within the reserve boundaries, representing approximately 50 percent of all plant species recorded in Jordan. Mammal surveys have identified 38 species including Nubian ibex, sand cat, red fox, and rock hyrax. The reserve contains the last known wild population of the Syrian serin, a finch species endemic to the Levant region. Copper mining occurred in Wadi Dana from approximately 4000 BCE through the Byzantine period, with archaeological sites visible along the wadi floor.
The Mujib Nature Reserve protects approximately 220 square kilometers centered on Wadi Mujib, which drains from the desert plateau westward to reach the Dead Sea at approximately 410 meters below sea level. The wadi cuts a gorge through the sandstone and limestone plateau reaching depths exceeding 500 meters, creating the lowest nature reserve in the world by elevation. The main wadi carries permanent water flow year-round, fed by several tributary wadis draining a total watershed of approximately 6,000 square kilometers. Spring discharge rates measure between 5,000 and 10,000 cubic meters per day during typical conditions. The reserve provides habitat for Nubian ibex, Syrian wolf, caracal, and approximately 150 bird species recorded during migration counts. Flash flooding occurs periodically following heavy rainfall in the watershed, with flows that can rise several meters within minutes.
Azraq Wetland Reserve occupies approximately 12 square kilometers near the town of Azraq in eastern Jordan, representing the remnant of a formerly extensive oasis system. Historical accounts from the early 20th century describe permanent pools covering approximately 250 square kilometers fed by springs discharging roughly 24 million cubic meters of water annually. Groundwater extraction beginning in the 1960s reduced spring flow to near zero by the early 1990s, eliminating most open water habitat. Restoration efforts beginning in 1994 have established artificial wetlands covering about 10 percent of the former wetland area through water deliveries from remaining springs and treated wastewater. Bird surveys during the 1960s documented the site as a critical stopover for migratory waterfowl moving between Africa and Eurasia, with counts exceeding one million birds in some years. Current surveys record substantially reduced numbers but continue to document migration passage of species including marbled duck, ferruginous duck, and various wader species.