This article is about the Class III road numbered C89 maintained by DfI Roads.
For other roads numbered C89, see C89
The C89 commences on the B16 in Dunloy and heads west. As it does so, the road comes to a crossroads where the C88 heads south. Soon after, the road meets the B62 and continues on the west side of the B62 at Finvoy. A TOTSO on the road aligns it in a south western direction. The road encounters a crossroads at Killymaddy before coming to an end further west on the C91 at Ballinagarvey.