| Name | State | Country | Climbs | Videos |
|---|---|---|---|---|
| 107 Boulders | North Carolina | United States | 1 | 1 |
| 221 Boulders | North Carolina | United States | 59 | 149 |
| 395 Boulder | California | United States | 2 | 3 |
| Adelaide | Australia | 2 | 2 | |
| Adirondacks | New York | United States | 5 | 6 |
| Ahwahnee | California | United States | 22 | 39 |
| Aland | Finland | 1 | 1 | |
| Albany | Australia | 24 | 24 | |
| Albarracin | Spain | 301 | 338 | |
| Alcaniz | Spain | 41 | 41 | |
| Alcova | Wyoming | United States | 1 | 1 |
| Alfords Point | Australia | 1 | 1 | |
| Algund | Italy | 2 | 2 | |
| Allenspark | Colorado | United States | 1 | 1 |
| Allgau | Germany | 1 | 1 | |
| Almscliff | Great Britain | 2 | 2 | |
| Alpental | Washington | United States | 2 | 2 |
| Alport | Great Britain | 1 | 1 | |
| Alsace | France | 2 | 2 | |
| American Fork | Utah | United States | 6 | 13 |
| Angesbyn | Sweden | 4 | 4 | |
| Annot | France | 1 | 1 | |
| Anson Stones | Great Britain | 1 | 1 | |
| Anvil Boulders | Arizona | United States | 7 | 10 |
| Apartment Boulders | Tennessee | United States | 19 | 92 |
| Aquarian Valley | California | United States | 3 | 3 |
| Arboli | Spain | 7 | 7 | |
| Arcadia | Rhode Island | United States | 10 | 12 |
| Area 51 | Utah | United States | 25 | 211 |
| Arthur's Rock | Colorado | United States | 24 | 46 |