Category:Gruta Artificial de Ermigeira

**Gruta artificial da época calcolítica, aberta em argila compacta, existente no lugar de Ermejeira**
	cultural heritage monument in Torres Vedras, Portugal
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Instance of	grotto; cultural heritage; artificial cave;
Location	Maxial, Maxial e Monte Redondo, Torres Vedras, Lisbon, Portugal
Heritage designation	National Monument of Portugal (1943–);
	39° 08′ 02.86″ N, 9° 11′ 20.78″ W
Authority file
	Q66814474; SIPA ID: 6333; DGPC ID: 70262
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This monument is classified as Monumento Nacional
.
It is indexed in the IGESPAR database (Instituto de Gestão do Património Arquitectónico e Arqueológico
), under the reference 70262.

It is indexed in the SIPA database (Sistema de Informação para o Património Arquitectónico) under the reference 6333.