| 1 | Guam Island , | 406 m | 13.431 / 144.753 |
| 2 | Mariana Islands - Guam , | 406 m | 13.481 / 144.736 |
| 3 | Mount Lamlam , Agat | 406 m | 13.340 / 144.666 |
| 4 | Mount Jumullong Manglo , Umatac | 391 m | 13.330 / 144.672 |
| 5 | Jumullong Municipal Tripoint Talafofo - Umatac - Agat , | 391 m | 13.330 / 144.672 |
| 6 | Mount Almagosa , Agat | 381 m | 13.346 / 144.673 |
| 7 | Mount Bolanos , Umatac | 379 m | 13.299 / 144.688 |
| 8 | Bolanos Municipal Tripoint Inarajan - Umatac - Talofofo , | 379 m | 13.299 / 144.688 |
| 9 | Mount Ilicho , Umatac | 371 m | 13.295 / 144.686 |
| 10 | Mount Assale , Talofofo | 350 m | 13.311 / 144.688 |