Jordan's surface waterways are dominated by the Jordan River system and a dense network of ephemeral wadis (seasonal streams) that drain the highlands into the Dead Sea, the southern Rift Valley, or into interior basins. Permanent rivers are few; many named channels carry water only after rains. Their courses and seasonal behaviour shape agriculture, settlement, and protected canyon landscapes across the country.
Characteristics
Most named flows in Jordan are termed wadis and can range from narrow gorges to broad alluvial channels. Perennial flow is rare; springs are important local sources of year‑round water. Several streams bear ancient names preserved in historical and religious texts (for example, the Zarqa is often associated with the biblical Jabbok and Wadi Mujib with the Arnon).
Major drainage basins and principal streams
- Dead Sea basin
- Jordan River
- Yarmouk River (largest tributary, forms part of the border with Syria)
- Zarqa River (commonly called the Jabbok)
- Wadi Mujib (Arnon) — notable canyon and nature reserve
- Wadi al‑Hasa (Zered) — southern inflow to the Dead Sea shore
- Jordan River
- Endorheic inland basins
- Azraq Basin — supports the Azraq Oasis and associated wetlands fed by springs and episodic runoff
- Wadi Sirhan — a transboundary valley that drains parts of eastern Jordan
- Gulf of Aqaba / Red Sea
- Several short, steep coastal wadis (for example, Wadi Rum and nearby channels) carry flash floods toward Aqaba but have no permanent flow
This list arranges rivers by their ultimate drainage; named tributaries are shown nested under the larger stream where applicable. For a more comprehensive compiled inventory, see a dedicated registry or mapping resource: comprehensive list.
Human use and conservation: Jordan's rivers and wadis support irrigation, groundwater recharge and tourism (notably canyoneering in Wadi Mujib). They are subject to pressures from abstraction, pollution and reduced rainfall, so several valleys and springs are the focus of protection and restoration efforts.