Cranstackie is a Corbett of 801.9 m in Highland. Its drop of 561 m is 70% of its height: the col linking it to higher ground is only 241 m above sea level.
On the Corbetts height ladder it sits between Beinn Bhreac-liath (802 m) and Meallan Liath Coire Mhic Dhughaill (800.8 m). Its nearest higher summit, Ceann Garbh (902 m, 5.6 km south-west), is a listed top not profiled here.