"It begins where Bargoed River goes to Rhymney by Aberbargoed Bridge then along the River Bargoed upwards till it comes very near the way upon the Common that leadeth from Keven y Brith decr to Twyn y Wayn then directly eastwards to the three stones in the Heath below Twyn y Wayn between Merthyr and Gellygaer then directly to the E sid Twyn y Wayn then directly to Fynnon Gwellin then to the old water pond in Pantywayn Coal pits then directly to the spring head of a Brook called Nant y Glynon then to Pwll Elwch Uarc then to Carn y Clyndir or Mark Ycha then to Carn Helig then to Rhyd y Milwr on the River Rhymney then along the River Rhymney to Aberbargoed Bridge aforesaid."