Harwoods hole is located about an hour’s drive from Marahau. An 183 metre deep hole which is part of the cave system in Takaka Hill. 45 minute walk from the carpark on Canaan Road. Be sure to take the side track up to the lookout point over Golden Bay. Canaan Road turns off State highway 60, just east of Takaka hill. The last 11km to the carpark are unsealed.