Santa Maria de Cóll, Romanesque church in la Vall de Boí, Spain

Santa Maria de Cóll is a 12th-century Romanesque church built of large, well-cut ashlars, with a single nave covered by a barrel vault divided by two transverse arches. A semicircular apse with Lombard blind arcading closes the east end, and a north chapel plus a south chapel at the tower's base give the plan a Latin-cross look. A Gothic choir with a wooden-beamed roof was added at the west end, reached by a spiral staircase.

The parish belonged to the medieval diocese of Roda de Ribagorça before passing to Lleida; in 1054 King Ramir I of Aragon bought the territory of Castilló de Tor, which his son Sanç Ramírez later ceded to that diocese. A slate slab found at the altar in the early 1990s bears the inscription 1110, taken as the consecration date. Consolidation work in the 1970s rebuilt the roof and added a concrete perimeter wall against cracks.

The west façade's portal has archivolts framed by a chequered pattern, with capitals carved with plant motifs and historiated scenes. Above the outer archivolts sits a chrismon considered the finest among the surrounding churches, flanked by two doves and two human heads, one blowing a hunting horn. The wooden door keeps its medieval ironwork.

The church stands in the village of Coll, at the southern edge of the Vall de Boí, and now forms part of the cemetery. It is reached by road from Barruera, the former municipal centre to which Coll belonged. The building was consolidated in the 1970s, when its roof was rebuilt and a concrete perimeter wall added to stop cracks in the walls.

The bell tower rises from the south chapel, which opens onto the nave as a chapel. Above the church it has two storeys, the lower with pointed Gothic windows and the upper with openings for the bells. All the towers of the Boí valley follow the proportion of minarets: height equal to perimeter.