Cheeky visitors walking away from the Hillary Trail have been taking their very own keepsake to remember the great man.
Up to three of the aluminium plaques marking the 77km West Auckland bush trail have been stolen each month since the trail opened in 2010.
The trail, named to capture Sir Edmund Hillary's "sense of adventure", winds its way through native forest in the Waitakere Ranges Regional Park and attracts thousands of outdoor lovers each year.
To keep users on the right route along the self-guided trail, Auckland Council has set up a series of marker posts, some bearing plaques with a silhouette of Sir Ed.