Tar Kl'val, to the north of the Central Plains Area on a Starfleet map of Qo'noS (2257)

Tar' Kl'val was a location on the Klingon homeworld of Qo'noS, located in the southern hemisphere.

In 2257, the location was labeled on a holographic globe of Qo'noS used for planning a mission to the planet by the USS Discovery. (DIS: "The War Without, The War Within")

On the globe, this location was referred to as a "data point".
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