Ssumakussu is situated beneath the southwestern crest of Hsuehpai Mountain, at 1500m above sea level, and is the westernmost village in Chienshih Township, Hsinchu County.
斯馬庫斯位於雪白山西南稜線上，海拔高度一千五百公尺，是新竹縣尖石鄉最西邊的一個村落。