The church is located in the center of Innerberg at an altitude of 1151 meters above sea level. A. and is surrounded by a walled cemetery. Innerbergstraße runs under the church, above Mühleweg. The church is a popular photo opportunity with the three towers in the background .
On the late baroque building with a nave and choir under a shared saddle roof, there is a church tower with an octagonal bell chamber and a tent roof by the choir on the north side. The nave has four arched windows on both long sides. The choir has a circular window in the top wall. In the vestibule to the west are a war memorial and memorial plaques for the curates Pankraz Mehr († 1814), Jakob Reheis († 1872) and Josef Anton Engstler († 1810).
The fresco Last Supper in the choir was renovated in 1910 by M. Heigel. The fresco in the nave of the Assumption of Mary from 1792 is by JA Klein. Other frescoes St. Ambrose and Augustine , Sts. Gregory and Hieronymus in the cartouches. A crucifix from 1792 is from Klemens widower .
The glass painting in the choir from 1901, based on a design by J. Schnitzler, was carried out by the Vorarlberg glass painting workshop of Dornbirn. The glass paintings in the nave from 1929 are from the Tyrolean glass painting company .
The high altar with four pillars from 1792 has an altarpiece Immaculata from the 19th century. The figures on the altar and the gallery and the stations of the cross are by Andreas Kölle around 1740.
The organ from the 1940s is a two-manual work with a pneumatic action by the Mayer brothers , Feldkirch.
- DEHIO manual. The art monuments of Austria: Vorarlberg. Bartholomäberg. Curate Church of Our Lady of the Immaculate Conception in Innerberg. Bundesdenkmalamt (Ed.), Verlag Anton Schroll & Co, Vienna 1983, ISBN 3-7031-0585-2 , pages 15f.
- digital ÖK 1:50 000 see: http://vogis.cnv.at/atlas/init.aspx?karte=adressen_u_ortsplan