| Peak | Elevation | Prominence | Country | Region | State |
|---|---|---|---|---|---|
| Ahern | 8,749 feet | 349 feet | United States | West | Montana |
| Ainshval | 2,562 feet | 1,070 feet | United Kingdom | Scotland | Highland |
| Aire | 8,621 feet | 601 feet | United States | West | Utah |
| Airgiod Bheinn | 3,483 feet | 174 feet | United Kingdom | Scotland | Perth and Kinross |
| Airgiod-meall | 2,113 feet | 249 feet | United Kingdom | Scotland | Highland |
| Ajo | 4,808 feet | 2,698 feet | United States | West | Arizona |
| Akawie | 7,283 feet | 363 feet | United States | West | California |
| Alamo | 7,367 feet | 2,487 feet | United States | West | California |
| Alamosito | 13,466 feet | 557 feet | United States | West | Colorado |
| Algonquin | 5,114 feet | 2,097 feet | United States | Northeast | New York |
| Alhang | 2,106 feet | 295 feet | United Kingdom | Scotland | Dumfries and Galloway |
| Alice | 13,310 feet | 850 feet | United States | West | Colorado |
| Allen | 5,795 feet | 635 feet | United States | West | California |
| Allen | 9,376 feet | 1,136 feet | United States | West | Montana |
| Allen | 4,340 feet | 640 feet | United States | Northeast | New York |
| Almost-A-Dog | 8,922 feet | 1,033 feet | United States | West | Montana |
| Alta | 11,204 feet | 124 feet | United States | West | California |
| Altyn | 7,947 feet | 627 feet | United States | West | Montana |
| Alwhat | 2,060 feet | 207 feet | United Kingdom | Scotland | Dumfries and Galloway |
| Am Bacan | 2,008 feet | 197 feet | United Kingdom | Scotland | Stirling |
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