1. Mount Everest - Himalayas (Nepal/China border): Highest mountain in the world; elevation - 8,848.86 meters (29,031.7 feet)
2. K2 - Karakoram Range (Pakistan/China border): Second highest mountain in the world; elevation - 8,611 meters (28,251 feet)
3. Kangchenjunga - Himalayas (Nepal/India/China border): Third highest mountain in the world; elevation - 8,586 meters (28,169 feet)
4. Lhotse - Himalayas (Nepal/China border): Fourth highest mountain in the world; elevation - 8,516 meters (27,940 feet)
5. Makalu - Himalayas (Nepal/China border): Fifth highest mountain in the world; elevation - 8,485 meters (27,838 feet)
6. Cho Oyu - Himalayas (Nepal/China border): Sixth highest mountain in the world; elevation - 8,201 meters (27,230 feet)
7. Dhaulagiri - Himalayas (Nepal): Seventh highest mountain in the world; elevation - 8,167 meters (26,794 feet)
8. Manaslu - Himalayas (Nepal): Eighth highest mountain in the world; elevation - 8,163 meters (26,781 feet)
9. Nanga Parbat - Himalayas (Pakistan): Ninth highest mountain in the world; elevation - 8,126 meters (26,660 feet)
10. Annapurna I - Himalayas (Nepal): Tenth highest mountain in the world; elevation - 8,091 meters (26,545 feet)
11. Gasherbrum I (Hidden Peak) - Karakoram Range (Pakistan/China border): Eleventh highest mountain in the world; elevation - 8,080 meters (26,509 feet)
12. Broad Peak - Karakoram Range (Pakistan/China border): Twelfth highest mountain in the world; elevation - 8,047 meters (26,401 feet)
13. Gasherbrum II - Karakoram Range (Pakistan/China border): Thirteenth highest mountain in the world; elevation - 8,035 meters (26,362 feet)
14. Shishapangma - Himalayas (Tibet, China): Fourteenth highest mountain in the world; elevation - 8,027 meters (26,335 feet)
15. Gasherbrum IV - Karakoram Range (Pakistan/China border): Seventeenth highest mountain in the world; elevation - 7,925 meters (26,001 feet)
Please note that this list includes mountains based on their elevation, and different sources may have slightly varying measurements or rankings.