High Seat is a fell in the dale of Mallerstang, Cumbria.
With a summit at 709 metres (2,326 ft), it is the fourth highest fell in the Yorkshire Dales after Whernside, Ingleborough and Great Shunner Fell.
[1] It is in the north-western part of the Dales, overlooking the deep trench of Mallerstang, and is usually climbed from this side.
On the opposite (western) side of Mallerstang is the more striking (but 1 metre lower) Wild Boar Fell.
It is not a Marilyn, having a relative height of 112 m, and therefore may be regarded as a subsidiary top of Great Shunner Fell, to the east.