The first documented mention of Cascajares Historical milestone · Cascajares de Bureba, La Bureba, Burgos Image of Cascajares de Bureba, not of the place itself. The name of the place appears for the first time in a document of 15 February 1011. It alludes to the stony ground at the foot of the Montes Obarenes where a village stands that today does not reach thirty households. 15 de febrero de 1011 Photo: Maintenance script (CC BY-SA 3.0) What to see and do in Cascajares de Bureba