Gorath
Gorath was a Klingon planet in the Gorath system of the Beta Quadrant. 

There were sulfur lagoons at Gorath, and on the Day of Honor, a warrior must traverse them as part of the ritual. ()

Appendices

Background information 

This planet's quadrant of origin is inferred based on the position of its star as seen in the star chart appearing in the   episode  and in the  episode .

Apocrypha 
Gorath is also the name of a character from a Klingon fable called "The Legend of Gorath", as told in the StarTrek.com exclusive animation The Young Hunter. This Gorath was a contemporary of Kahless.

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Planets