Beinn a' Ghlo – Carn nan Gabhar is a Munro of 1,121.9 m in Perth and Kinross. In the database's Pitlochry to Braemar & Blairgowrie region it is the highest of 16 register hills, above Beinn a' Ghlo – Braigh Coire Chruinn-bhalgain and 14 others.
It overtops all four of its nearest neighbours; the tallest of them, Beinn a' Ghlo – Braigh Coire Chruinn-bhalgain, reaches 1,070 m. Of the register hills in Perth and Kinross, only Ben Lawers and Meall Garbh (Perth and Kinross, NN644437) stand higher. It is 232.4 m above the average height of the 62 register hills in Perth and Kinross. The database describes the top as a rock at base of large cairn.