| Llanberis Pass United Kingdom of Great Britain and Northern Ireland | 1 583 | 16.2 % | 5.8 % | | 406 |
| Lower Pen Trwyn United Kingdom of Great Britain and Northern Ireland | 614 | 42.3 % | 4.4 % | | 80 |
| Dinbren United Kingdom of Great Britain and Northern Ireland | 582 | 39.0 % | 3.8 % | | 108 |
| Porth Ysgo United Kingdom of Great Britain and Northern Ireland | 425 | 33.4 % | 3.5 % | | 159 |
| Pen Trwyn - Mayfair Wall area United Kingdom of Great Britain and Northern Ireland | 356 | 52.8 % | 6.7 % | | 59 |
| The Diamond United Kingdom of Great Britain and Northern Ireland | 176 | 48.9 % | 10.2 % | | 63 |
| Wavelength United Kingdom of Great Britain and Northern Ireland | 158 | 27.8 % | 4.4 % | | 60 |
| Gogarth United Kingdom of Great Britain and Northern Ireland | 83 | 92.8 % | 10.8 % | | 48 |
| Llanberis Pass United Kingdom of Great Britain and Northern Ireland | 70 | 71.4 % | 11.4 % | | 54 |
| Craig Bwlch y Moch (Tremadog) United Kingdom of Great Britain and Northern Ireland | 68 | 92.6 % | 16.2 % | | 27 |
| Llanberis Slate United Kingdom of Great Britain and Northern Ireland | 51 | 60.8 % | 5.9 % | | 35 |
| Dinas cromlech United Kingdom of Great Britain and Northern Ireland | 45 | 97.8 % | 22.2 % | | 9 |
| Bus stop quarry United Kingdom of Great Britain and Northern Ireland | 43 | 62.8 % | 7.0 % | | 24 |
| Australia United Kingdom of Great Britain and Northern Ireland | 42 | 76.2 % | 2.4 % | | 21 |
| Cloggy United Kingdom of Great Britain and Northern Ireland | 40 | 22.5 % | 0.0 % | | 28 |
| Llanberis United Kingdom of Great Britain and Northern Ireland | 30 | 63.3 % | 10.0 % | | 27 |
| Craig Pant Ifan (Tremadog) United Kingdom of Great Britain and Northern Ireland | 29 | 75.9 % | 3.4 % | | 14 |
| Rhoscolyn United Kingdom of Great Britain and Northern Ireland | 26 | 100.0 % | 30.8 % | | 11 |
| Castle Quarry United Kingdom of Great Britain and Northern Ireland | 24 | 54.2 % | 0.0 % | | 9 |
| Vivian Quarry United Kingdom of Great Britain and Northern Ireland | 22 | 63.6 % | 13.6 % | | 16 |