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Wadi Thumamah

Saudi Arabia

Wadi al-Thumamah (Arabic: ) is a wadi (valley) located approximately 90 kilometers northeast of Riyadh in Riyadh Governorate, Saudi Arabia. It descends from the Al-Armah mountains and passes through Ghilanah village and ends at Rawdat Khuraim in Ramah Governorate of Riyadh Province. The valley is 60 km long and has an average slope of 3 min/km. It is named after Thumam (Arabic: ), the Arabic word for desert bunchgrass.

Data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other valleys in Saudi Arabia