Situated
near Treorchy this steam coal
colliery was sunk in 1865 by George
Insole & Son Ltd. During 1874
it was deepened by the new owners
Burnyeat Brown and Co.
From the Inspector of Mines 1896
list, there was a workforce of
790 men employed here. Also mentioned
in this list is Abergorki level
under the same ownership as the
above and employing a total of
14 men.
In 1908 there were 2,278 men employed
at Abergorki Nos. 1, 2 and 3 pits
and 40 men at the level.
From another list dated 1918,
there were 1,770 employed.
Later the Ocean Coal Company took
over the running of Abergorki
and by 1920 the workforce had
grown to 1,800.
It was closed in 1938.
