The Ten-Thousand-Step Stair was a series of railed terraces that overlooked a methane glacier on planet Mirfak XI's third moon, Mirfak XI-C.
History and specifics[]
In the year 2275, Hikaru Sulu found himself experiencing the view of a methane glacier from one of the terraces of the Ten-Thousand-Step Stair while aboard the Federation starship Enterprise, which was undertaking one of its final inversion drive jaunts. (TOS novel: The Wounded Sky)