Complex sentence: King Øystein erected mountain stations where the pilgrims could find food and shelter, including Kongsvoll located on the Driva River in Oppdal along the route where pilgrims passed from the Gudbrandsdalen, which was erected about 1100.
Split into simpler sentences: King Øystein erected mountain stations where the pilgrims could find food and shelter. Kongsvoll, located on the Driva River in Oppdal along the route where pilgrims passed from the Gudbrandsdalen, was erected about 1100.