The Church of Sant Feliu de Barruera is one of the most representative Romanesque temples in the Boí Valley, part of the UNESCO World Heritage Site. Located in the center of the town of Barruera, next to the Noguera de Tor river, the church reflects the historical importance of this town as a crossing point and organization of the valley. Built between the 11th and 12th centuries, Sant Feliu has a sober architecture but of great construction quality. The building has a single nave with a semicircular apse, built with regular stone ashlars. Its most unique element is the square-shaped bell tower, which rises elegantly and is decorated with twinned openings and friezes of Lombard arches, a characteristic feature of the Pyrenean Romanesque. This bell tower, visible from different points in the town, acts as a visual and symbolic reference for Barruera. Inside, the space is austere and balanced, designed for the liturgy and medieval community life. Although the original mural paintings have not been preserved, the church allows us to perfectly understand the functionality of the Romanesque temples of the valley and their relationship with the daily life of the inhabitants. Its location, integrated into the urban fabric, differentiates it from other more isolated churches and helps us understand the central role it had within the community. A visit to Sant Feliu de Barruera is ideal for those who want to delve deeper into the Romanesque of the Boí Valley from a local perspective, combining architectural heritage with the discovery of the town and its natural environment. It is part of the cultural itineraries of the valley and is a key point to contextualize the rest of the churches in the complex.