South Carolina Highway 63 (SC 63) is a state highway in the U.S. state of South Carolina. The highway is designated on a northâÂÂsouth direction, though it is signed as and located physically on an eastâÂÂwest orientation, from U.S. Route 278 (US 278) in Varnville to SC 64 Business (SC 64 Bus.) in Walterboro.
South Carolina Highway 63 Alternate (SC 63 Alt.) was an alternate route that existed east-southeast of Islandton. It was established in February 1938 as a partial renumbering of SC 63. It was decommissioned in 1947 and downgraded to secondary roads. Its westâÂÂeast portion is known today as Varnadoe Road. Its southâÂÂnorth portion is known as Adnah Church Road.