Mercado Medieval de Los Molares Activity · Los Molares, Bajo Guadalquivir, Seville Image of Los Molares, not of the place itself. Market commemorating the municipality's former cloth fair, popularly known as the Feria de la Seda (Silk Fair), which became the second most important in the peninsula after that of Medina del Campo. primer fin de semana de octubre Photo: Srvemor (CC BY-SA 4.0) What to see and do in Los Molares