Canisp is a Corbett of 848.1 m in Highland. Its drop is the 10th greatest among the Corbetts, behind Goatfell at the top.
Its nearest higher summit, Cul Mor, beats it by just 1.6 m. Its drop of 690 m is 81% of its height: the col linking it to higher ground is only 158 m above sea level. On the Corbetts height ladder it sits between Beinn nan Imirean (848.3 m) and Ben Donich (846.5 m). The highest point is recorded as inclined slab 4m sw of smaller shelter, not a cairn. The database describes the top as a inclined slab 4m sw of smaller shelter.