The Precinct of Mut is one of the four main enclosures of the Karnak complex, connected to the Precinct of Amun-Re by an avenue of sphinxes. It is less visited than the main Karnak enclosure because it is still largely under excavation, but this gives it a wonderful archaeological atmosphere — you can watch work in progress and see the temple in a state between discovery and restoration that the main sites have long since passed.
The precinct contains a sacred lake, the remains of temples to Mut and Sekhmet, and a large collection of Sekhmet statues. The goddess of war and destruction was worshipped here alongside Mut, who represented motherhood and queenship. Access is usually included with a Karnak ticket but check on the day, as areas may be restricted depending on active excavation. Go in the late afternoon when the light is soft and most tour groups have left the main temples.