Torre de Villanueva de Mena is a rectangular aristocratic tower located in Valle de Mena, Burgos, built with porous stone masonry measuring approximately ten by eleven meters. The structure features an eastern entrance with a rounded arch and coat of arms, supplemented by multiple square windows, arrow slits, and a defensive balcony. The south facade displays three windows of varying architectural styles, including an ogival arch and rounded apertures. corbels supporting a wooden platform top suggest additional upper-level defenses. This palace-tower exemplifies the fortified residences built by local nobility in the Merindades region during the late medieval period.