Abergorki Colliery
Treherbert
First opened as a level by Haughty Huxham and partners in 1859 to work the No.3 Rhondda seam.
1862 George Insole and Son, who sunk the shafts, bought i.
In 1873 Burnyeat, Brown, and Co. Ltd. became the owners and deepened the shafts in 1874.
From the Inspector of Mines List 1896, there were a total of 790 men working at the pits and 14 in the level.
By 1908 the workforce had grown to 2,278, at Abergorki Nos. 1, 2 and 3 pits. A total of 1,770 worked there in 1918.
Problems with flooding caused parts of the colliery to be temporally closed in 1925.
The Ocean Coal Company purchased it in 1926
It ceased production in 1935 and abandoned in 1938
Now an ancient monument and houses the Waddle fan by Waddle Patent Ventilating and Engineering Co