Llinars del Vallès is a village and municipality in the comarca of Vallès Oriental, in the province of Barcelona and the autonomous community of Catalonia, Spain. The village forms part of the county of Baix Montseny.
Its municipal territory extends from the Massís del Montseny mountain area to the Serralada Litoral. Dry agriculture is more abundant than irrigated farming, which predominates only along the Mogent river. The forests are Mediterranean in character, though oaks and cork oaks also grow in the Serralada Litoral.