Ḥismā Plateau

plateau, Saudi Arabia

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June 29, 2026

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The Ḥismā Plateau is a sandstone plateau in northwestern Saudi Arabia with an elevation of approximately 4,000 feet. It is situated within the Arabian Peninsula, which is largely characterized as a vast plateau sloping gently from the Red Sea towards the Persian Gulf. The plateau is bordered by dissected escarpments and is part of the larger geological landscape of the Arabian shield. This region experiences seasonal water flow through wadi systems. The Ḥismā Plateau is located to the northwest of the Hejaz highlands and is surrounded by lava fields in some areas.12

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Arabia
The Hejaz and Asir
…interior the sandstone plateau of Ḥismā has an elevation of about 4,000 feet. South of it are great lava fields such as the ʿUwayriḍ, while others ring Medina. Tongues of lava south of Medina, lapping over the mountains, descend almost to the coast. The sand plain of Rakbah unrolls south…
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…interior the sandstone plateau of Ḥismā has an elevation of about 4,000 feet. South of it are great lava fields such as the ʿUwayriḍ, while others ring Medina. Tongues of lava south of Medina, lapping over the mountains, descend almost to the coast. The sand plain of Rakbah unrolls south…
Read More