The Castle Lupario, also known as the Castle Beca, is a Gallaeci castro located between the towns of Bastavales [es], (Brión) and Ribasar [es] (Rois).

The site was declared an Asset of Cultural Interest in December 2009.

This caste complex was perhaps the capital of the Amaci [es] (Astures) and came to achieve great importance.

A parish church, Santo Antonini de Castro, existed on the site until the also existed here until the beginning of the 17th century.

[citation needed] The Liber Sancti Jacobi places Queen Lupa's residence at this castle.