Karoo thunderstorms in the Great Karoo. The Swartberg Pass is not tarred and can be treacherously slippery after rain. It also becomes impassable after heavy snowfalls on the mountain, a not infrequent occurrence in winter. Poet Thomas Hardy wrote of the Karoo in his poem "Drummer Hodge". In "Bridge-Guard in the Karroo", Rudyard Kipling evoked the loneliness experienced by blockhouse soldiers at Ketting station on the Dwyka River while guarding the Karoo railway track, a lifeline during the South African War (excerpts). Karoo The Karoo ( ; from a Khoikhoi word, possibly "garo" "desert") is a semi desert natural region of
Karoo sills (see below), creating multiple flat-topped hills, or Karoo Koppies, which are iconic of the Great Karoo. The vegetation of the Upper is similar to the Lower Karoo, so few people make a distinction between the two. The main highway (the N1) and railway line from Cape Town to the north enter the Lower Karoo from the Hex River Valley just before Touws River and follow a course about 50 km south of the Great Escarpment up to Beaufort West. Thereafter, they gradually ascend the Great Escarpment along a broad valley to Three Sisters on the Central Plateau and the