[1] In the latter half of the nineteenth century Penydarren Park was used by the locals as an open recreational for walks, athletic competitions and team sports.

[2] An early attempt to bring rugby league to Wales, saw local team Merthyr Tydfil RLFC set up at the rival College Ground.

This in turn led to the larger Penydarren Park being host to the first touring Australian rugby league side where they faced a Wales XIII in front of a crowd of 6,000.

[3] In July 2011, the newly promoted Merthyr Town FC hosted Welsh Premier League side Llanelli in a pre-season friendly at Penydarren Park, and thereafter took up full-time residency.

[4] Greyhound racing took place around the pitch at Penydarren Park from 1930 to 1960 on Thursday and Saturday evenings at 7.15pm and was a popular flapping track (unaffiliated to a governing body).