First note that much of Oman's borders with Yemen, Saudi Arabia and the United Arab Emirates (U.A.E.) are not clearly defined by all parties concerned.
The northernmost part of Oman, the Musandam Peninsula, is separated from the rest of the country by a strip of land belonging to the United Arab Emirates.The peninsula is comprised mostly of low hills and mountains.
In the north, a narrow and fertile coastal plain fronts the Gulf of Oman; from there the land rises into the rugged Hajar Mountains.
Central and southeast, a few scrubby hills and low mountains dot the central desert landscape and coastal areas.
In the west, the pebbly, desert-like land slopes gently into the sands of the Rub' Al Khali Desert.
There are no perennial rivers or lakes of note.
Oman's highest point is Jabal Akhdar which reaches 9,776 ft. (2,980 m).
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