It is located about a mile west of Aberangell in Merioneth (now Gwynedd), North Wales near the confluence of the Nant Maesygamfa and the Afon Angell.

In 1873, a "take note" (permission to explore for minerals) was granted by Sir Edmund Buckley to search for slate near Gartheiniog Farm.

In 1880 that John Jenkins and James Williams, of Aberystwyth took a lease on the land between the Afon Angell and Nant Maesygamfa.

The quarries and plantations were purchased from William Clayton Russon and Roland Morgan, both of whom were undischarged bankrupts, both of them became directors of the company.

Morgan would later be convicted of running multiple stock scams, including the Standard Housing Company.

[1] The Standard Housing Company failed within 18 months and the quarry was sold to Gertrude Russon, William Clayton's wife.