Its western terminus is Strandfontein on the Atlantic Ocean. It heads north along the coast to Papenkuil. From Papenkuil, it heads north-east along the south bank of the Olifants River. It crosses this river near Lutzville where it meets the north-west/south-east R363. The two run parallel to each other heading south-east for the rest of their length. The R362 on the north bank of the Olfiants, and R363 on the south (it crosses the river after meeting the R362). The two routes both pass through Vredendal, where the R27 restarts from the R363, crossing the R362 and heading east-north-east. The two routes intersect again at Klawer, with only the R363 continuing to the N7.
- "RDDA SOUTH AFRICAN NUMBERED ROUTE DESCRIPTION AND DESTINATION ANALYSIS". NATIONAL DEPARTMENT OF TRANSPORT. May 2012. Retrieved 25 March 2021.