Harter Fell (Eskdale) is a Lake District fell of 653.2 m in Cumberland. It counts towards four lists: Wainwrights, Hewitts, Nuttalls and Marilyns.
It stands 164.5 m above its nearest neighbour, Green Crag, 2.3 km to the south-west. It is one of the 39 Wainwrights that are also Marilyns. On the Wainwrights height ladder it sits between Middle Dodd (654 m) and High Spy (653.1 m). The highest point is recorded as rock tor, not a cairn.