Photo from RealNZ.com: Glowworm Caves – RealNZ, December 13. The boat guide does not actually use a flashlight, that appears to be just for this photo. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on Pinterest (Opens in new window) Pinterest Click to share on X (Opens in new window) X Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print