Can I suggest contacting the Catalan group amateur astronomy group in Sabadell near Barcelona http://astrosabadell.org/es/ . They have a dark sky out station at Montsec http://astrosabadell.org/es/activitats/camps-d-observacio . The link should access a site there with more run off replicate sheds than you can shake a stick at. It is worth getting in touch to find the source for all that woodwork . Hope this helps.
Maybe try this link http://astrosabadell.org/es/la-entidad/observatoris-montsec