Nethermost Pike is a Lake District fell of 891.3 m in Westmorland and Furness. Only nine of the register's England hills are higher.
It rises only 29.1 m above its key col, 3.3% of its height. Of the register hills in Westmorland and Furness, only Cross Fell stands higher. The key col is close by, only 0.2 km to the north at 862.2 m. It is 240.3 m above the average height of the 103 register hills in Westmorland and Furness. Its nearest higher summit, Helvellyn, is also the hill its key col leads to.