Quatre Molins
This is a hyperlocal list, 534 wines built almost entirely around Priorat and its immediate neighbors, with Gratallops and Porrera alone accounting for well over a hundred bottles and Montsant and Catalunya filling in around them. The depth is in the icons of the region: Clos de L'Obac shows up 45 times, Cims de Porrera and Álvaro Palacios are deep, and you also get Nin Ortiz, Mas Martinet, and Cellers Scala Dei, so it rewards anyone who wants to drink Garnacha and Cariñena from the slate verticals and across producers. Reds dominate, but there is real sparkling depth too, 35 listings spanning Cava and Corpinnat. Pricing skews accessible, with bottles starting in the mid 20s euros, and the 19 wines by the glass give you a working pour list for the floor. Point guests here toward the Priorat and Montsant locals; this is a list for someone who wants to go deep on one corner of Catalonia rather than range widely.