Hokkaido rear sheep's hoof (Japanese: rear sheep's hoof (しりべしやま)) is its old name, taken from the ancient name "back sheep's hoof" in the Japanese book, and later changed the sound and reading of the next three words as its official name due to the difficulty of reading. From the east side, the sheep's trough mountain stands side by side with the nearby Shaobeiyue (1,107 meters, Shaobeiyue (しりべつだけ)), similar to the twin peaks, so Shaobeiyue is also known as the "front sheep's trough mountain". Ainu people called Shaobeiyue "pinne-sir" (Xiongyue), and Sheep's trough mountain called "matne-sir" (female). This group of pictures taken from different angles of the sheep's hoof mountain.