Llwyngwern quarry
One of the quarry's original buildings, re-used by the Centre for Alternative Technology | |
Llwyngwern Location in Powys | |
| Location | |
|---|---|
| Location | near Pantperthog |
| County | Montgomeryshire (now Powys) |
| Country | Wales, UK |
| Coordinates | 52°37′25″N 3°50′26″W / 52.623502°N 3.840429°W grid reference SH 754 044 |
| Production | |
| Products | Slate |
| Type | Quarry |
| History | |
| Opened | 1828 |
| Active | 1828–1840s; 1853–July 1903; 1905–1910; 1920–1937; 1938–1941 |
| Closed | 1941 |
The Llwyngwern quarry (sometimes known as Glandulas quarry or Maglona quarry) was a slate quarry in Wales that opened by 1828 and continued working until about 1950. The quarry is located on the western flank of Mynydd Llwyn-gwern.