Guheswari (Guheswori), is one of the most famous shakti-peeths of Nepal. A shakti-peeth is a place where a piece of the body of the Sati fell while Shiva was carrying her corpse arround the world.
Guheswari where Sati's yoni (Vagina) fell is very close to the famous Pashupatinath temple just a few hundred meters upstream the holy Bagmati River.