The track start on Kumara-Inchbonnie Road, on the south end of Lake Brunner. Lake Brunner is inland from Greymouth, between SH 73 and SH 7.
Turn off SH 73 at Kumara into Kumara-Inchbonnie Road (17 km), or at Jacksons into Lake Brunner Road, which leads into Kumara-Inchbonnie Road (23 km).