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| Site of Special Scientific Interest | |
| Location | Clwyd |
|---|---|
| Grid reference | SJ2147047740 |
| Coordinates | 53°01′16″N3°10′20″W / 53.02117°N 3.1721723°W |
| Interest | Geology |
| Area | 0.65 ha |
| Notification | 1 June 1990 |
Chwarel Pant Glas is a Site of Special Scientific Interest in the preserved county of Clwyd, north Wales. [1]