Great Sca Fell is a Lake District fell of 651 m in Cumberland. It barely stands apart: the summit is only 13 m above the col joining it to higher ground.
It shares its height of 651 m with Rossett Pike. On the Wainwrights height ladder it sits between High Spy (653.1 m) and Rossett Pike (651 m). The key col is close by, only 0.4 km to the south at 638 m. Its nearest higher summit, Knott, is also the hill its key col leads to. It falls on two OS 1:50,000 sheets, 89 and 90.