What are the major geographic features on Saudi Arabia?

1. Arabian Peninsula: Saudi Arabia occupies a significant portion of the Arabian Peninsula. The peninsula is one of the largest in the world, covering approximately 3 million square kilometers.

2. Red Sea: The Red Sea forms a natural western boundary for Saudi Arabia, separating it from Egypt, Jordan, and Eritrea to the west and northwest. The Red Sea is part of the Indian Ocean and is known for its crystal clear waters and vibrant coral reefs.

3. Persian Gulf: The Persian Gulf lies to the northeast of Saudi Arabia, separating it from Iran, Kuwait, Bahrain, Qatar, and the United Arab Emirates. The Persian Gulf is a strategic waterway for oil transportation and economic activity.

4. Rub' al Khali (Empty Quarter): The Rub' al Khali is one of the largest continuous sand deserts in the world, covering much of the southern part of Saudi Arabia. It stretches over 650,000 square kilometers and is characterized by vast stretches of sand dunes.

5. An Nafud Desert: An Nafud is a sand desert located in northern Saudi Arabia, covering approximately 65,000 square kilometers. It features shifting sand dunes and barren landscapes.

6. Tuwaiq Escarpment: The Tuwaiq Escarpment is a prominent geological feature that runs roughly north-south across central Saudi Arabia. It consists of a series of cliffs and plateaus, separating the Najd region in the west from the vast deserts to the east.

7. Jabal Sawda (Mount Sawda): Jabal Sawda is the highest mountain in Saudi Arabia, located in the southwestern region of the country near the border with Yemen. It stands at 3,133 meters (10,279 feet) above sea level and is part of the Sarawat mountain range.

8. Wadi ar Rummah: Wadi ar Rummah is a dry valley (wadi) located in central Saudi Arabia. It is one of the longest wadis in the world, stretching for approximately 1,200 kilometers (745 miles). Wadi ar Rummah was formed by ancient river systems and now serves as a drainage basin during heavy rains.

9. Jebel Marra: Jebel Marra is a mountain range in the southwestern region of Saudi Arabia, located near the border with Yemen. It is known for its volcanic peaks, including Jabal al-Qahr, the second highest mountain in the country at 3,000 meters (9,842 feet).

10. Farasan Islands: The Farasan Islands are a group of islands located in the Red Sea, off the southwestern coast of Saudi Arabia. They are known for their beautiful sandy beaches, coral reefs, and rich marine life, making them popular for tourism and water sports.