Ordered by the number of climbs recorded. About limestone.
| Crag | Location | # Climbs |
|---|---|---|
| Iron Age Fort | United Kingdom / Wales / Pembroke | 1 |
| Stennis Head | United Kingdom / Wales / Pembroke | 1 |
| Árainn | Ireland / County Galway | 1 |
| Luminy | France / Provence-Alpes-Côte d'Azur / Bouches-du-Rhone | 1 |
| Eycharme | France / Provence-Alpes-Côte d'Azur / Alpes-de-Haute-Provence | 1 |
| Nearcliff Wood | United Kingdom / England / Doncaster | 1 |
| Berry Head Quarry | United Kingdom / England / Brixham | 1 |
| Allonzier la Caille | France / Auvergne-Rhône-Alpes / Haute-Savoie | 1 |
| Nasenwand | Austria / Tirol / Schwaz | 1 |
| Raven's Crag | Canada / Alberta / Improvement District No. 9 | 1 |
| Sector 45 | Spain / Comunidad Valenciana / Alicante | 1 |
| Durl Head | United Kingdom / England / Torbay / Brixham | 1 |
| Bovilla | Albania / Tirana County / Tirana | 1 |
| Brar | Albania / Tirana County / Tirana | 1 |
| The New Cuttings | United Kingdom / England / Dorset / Portland | 1 |
| Eldon Hole | United Kingdom / England / Buxton | 1 |
| Lees Bottom | United Kingdom / England / Derbyshire / Bakewell | 1 |
| Valdecabras | Spain / Castilla-La Mancha / Cuenca | 1 |
| Symonds Yat | United Kingdom / Coleford | 1 |
| Arginonta Valley | Greece | 1 |