The Cartuja de Miraflores is a fifteenth-century Carthusian monastery about three kilometres east of Burgos, founded by King Juan II of Castile and completed under his daughter Isabel the Catholic. The monastery is still inhabited by Carthusian monks and is not publicly accessible, but the church is open to visitors and contains some of the finest late Gothic funerary art in Spain.
The royal tombs of Juan II and his wife Isabel of Portugal are carved from alabaster in an eight-pointed star shape, lying in the centre of the church. Above them rises the spectacular gilded altarpiece attributed to Gil de Siloe — a work of almost hallucinatory detail and richness. The tomb of the Infante Alfonso, Isabel the Catholic's brother who died young and whose death opened her path to the throne, stands against the north wall. Entry is free; visiting hours are limited and the church is closed during religious services.