Ordered by the number of climbs recorded. About limestone.
| Crag | Location | # Climbs |
|---|---|---|
| Humphrey Head | United Kingdom / England / Grange-over-Sands | 2 |
| Waldkopf | Germany / Bavaria / Upper Palatinate | 2 |
| Santanyi | Spain / Illes Balears / Illes Balears | 2 |
| Rusty Walls | United Kingdom / Wales / Pembroke | 2 |
| Fronton | Spain / Valencian Community / Castellón | 2 |
| Erinnerungswand | Germany / Bayern / Oberfranken | 2 |
| Ulassai | Italy / Sardegna / Provincia dell'Ogliastra | 2 |
| Loup Scar | United Kingdom / England / Skipton | 2 |
| Sadernes | Spain / Catalunya / Girona | 2 |
| Tetto di Sarre | Italy / Aosta Valley / Aosta Valley | 2 |
| Lei Pi Shan | China / Guangxi | 2 |
| Fairy Cave Quarry | United Kingdom / England / Radstock | 2 |
| Lorry Park Quarry | United Kingdom / England / Derbyshire / Matlock | 2 |
| Craig Arthur | United Kingdom / Wales / Llangollen | 2 |
| Alquézar | Spain / Aragon / Huesca | 2 |
| Datça | Türkiye / Muğla / Datça | 2 |
| Brassington | United Kingdom / England / Derbyshire / Matlock | 2 |
| Velika Stiniva | Croatia / Splitsko-dalmatinska županija / Općina Jelsa | 2 |
| Sant Llorenç de Montgai | Spain / Catalunya / Lleida | 2 |
| The Little Orme | United Kingdom / Wales / Llandudno | 2 |