Ordered by the number of climbs recorded. About limestone.
| Crag | Location | # Climbs |
|---|---|---|
| Andonno | Italy / Piedmont / Province of Cuneo | 4 |
| Eiger | Switzerland / Canton of Bern / Interlaken-Oberhasli District | 4 |
| Paklenica Gorge | Croatia / Zadar County / Općina Starigrad | 4 |
| Gorges du Tarn | France / Occitanie / Lozère | 4 |
| Praia do Cavalo | Portugal / Lisbon / Sintra | 4 |
| Claret | France / Occitanie / Hérault | 4 |
| Bus de la Stria | Italy / Trentino-South Tyrol / Autonomous Province of Trento | 4 |
| Oxwich Bay Quarry | United Kingdom / Wales / Swansea / Swansea | 4 |
| Castillon | France / Provence-Alpes-Côte d'Azur / Alpes-Maritimes | 4 |
| Monte Colodri | Italy / Trentino-South Tyrol / Autonomous Province of Trento | 4 |
| Eremo | Italy / Trentino-Alto Adige / Provincia autonoma di Trento | 4 |
| Grotta Dell'Arenauta | Italy / Lazio / Province of Latina | 3 |
| Odyssey | Greece | 3 |
| Otiñar | Spain / Andalucía / Jaén | 3 |
| Mollans | France / Auvergne-Rhône-Alpes / Drôme | 3 |
| Grüne Hölle | Germany / Bavaria / Upper Franconia | 3 |
| Gandia | Spain / Valencian Community / Valencia | 3 |
| Attermire Scar | United Kingdom / England / Settle | 3 |
| Rotenstein | Germany / Bavaria / Upper Franconia | 3 |
| Cabezon de Oro | Spain / Comunidad Valenciana / Alicante | 3 |