Ynishir, Rhondda Fach Valley
This mine was originally known as Ynishir Colliery in 1849 when one shaft was sunk to the No.2 Rhondda seam which it found at a depth of 198 feet. It extensively worked this seam at a thickness of between 30 inches to 36 inches.
This was only the second pit to be sunk in the Rhondda Fach Valley, and probably the first to close. It was sunk by Messrs. Shepherd and Evans who operated as the Ynishir Coal Company, and sold in 1856 to Francis Crawshay who used it to feed his Treforest Tinplate Works. It was purchased and managed by Thomas Jones in 1878, which then changed its name to Jones Navigation Colliery.
In that year, on the 31st of July, William Bevan a 27 year old collier died under a roof fall at this colliery, one of the many single fatalities that occurred here and throughout the Coalfield.
In 1896 William Rosser was manager and this pit employed 44 men underground and 6 men on the surface.
The colliery closed in 1901.
Information supplied by Ray Lawrence and used here with his permission.
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