Sin, Wilderness of Which Israel reached after leaving the encampment by the Red Sea (Numbers 33:11). Their next stage was Rephidim. I (See EXODUS) Exodus 16:1; Exodus 17:1. Sin wilderness is the desert sandstone tract, Debbet er Ramleh, extending across the peninsula from wady Nasb in a S.E. direction between the limestone district of et Tih and the granite of the central formation, Sinai. The journey from Elim, or even from the Red Sea, could be performed in a day. The Egyptians working the copper mines at Sarbut el Khadim would keep the route in good order. Israel moved by detachments; and only at the wilderness of Sin "all the congregation" assembled for the first time. I (See tid=2844) Distinct from the wilderness of Zin. I (See SIN (1).)