[6] The fuller name comes from the Uí Chinnsealaigh, who were the dominant gaelic family in the area; and is used to differentiate it from other "Cruachan" mountains.

Croghan is the source of the River Bann with rises from its southern slopes.

[6] The eastern side of Croghan contains the Raheenleagh Wind Farm, which was a 32.2 MW Coillte-ESB Group joint venture project that opened on 20 September 2016.

[11] The project received planning permission in 2012, and a 17-month construction process started in mid-2015.

[11] In 2018, it was reported that Coillte had sold their 50 percent stake to Greencoat Renewables.