Traditional knowledge geographic information systems (GIS) are the data, techniques, and technologies designed to document and utilize local knowledges in communities around the world. Traditional knowledge is information that encompasses the experiences of a particular culture or society. Traditional knowledge GIS are more valuable than ordinary cognitive maps in that they express environmental and spiritual relationships among real and conceptual entities. They comprise a formidable toolset for use in cultural preservation, land rights disputes, natural resource management, and economic development.