Cairn Toul is a Munro of 1,292.4 m in Aberdeenshire. It is the highest of the 28 register hills recorded in Aberdeenshire; the next is Sgor an Lochain Uaine at 1,258 m, 34.4 m lower.
Only three of the register's Scotland hills are higher. It is the 4th highest Munro. It is 363.3 m above the average height of the 28 register hills in Aberdeenshire. The database describes the top as a large cairn. It falls on two OS 1:50,000 sheets, 36 and 43.