SpotX walking (32.1) Access:Boat. WalkType:Forest,Coastal. Length:12.7km Time:3-4hrs Difficulty:Moderate Type:Loop Directions:Ferry goes daily from Auckland or North Shore to Islington Bay or Rangitoto Wharf. Features:From Rangitoto Wharf you can walk across the lava track to the summit, passing through large tracts of pohutukawa with good birdlife. From the summit you can walk towards Motutapu Island and return via the Rangitoto Coastal Track. A longer walk takes in Motutapu Island, which is joined to Rangitoto by a causeway. Contacts:DOC Auckland, ph (09) 379 6476.