New Zealand Speleological Society

New Zealand Speleological Society is a national organisation for recreational cavers in New Zealand.

It was formed in 1949 by Henry Lambert and had approximately 300 members in 2010.

Mission
Their stated mission is:
 * To be the national speleological body
 * To conserve caves and karst
 * To represent the interests of its members

By:
 * The collection and appropriate dissemination of information on caves, karst and caving
 * Advocating conservation and awareness to cave owners and managers
 * Negotiating access to caves for members
 * The promotion of safe cave use
 * Operating a national cave search and rescue system
 * Encouraging cave users to join NZSS
 * Monitoring the effects of cave use

Through: The society also maintains the library at the Waitomo Caves Museum.
 * Education and training
 * Development and assessment of techniques and equipment
 * Liaison with other groups and agencies
 * Exploration and study of caves