Dompapen is a five-person sauna run by the Oslo Sauna Association in the backyard of the pub Folk i Storgata, in Prinds Christian Augusts Minde, a building with roots in the late 17th century. Sessions last 90 minutes including changing, with a cold tub, a cold outdoor shower and an indoor changing room; check-in is at the bar. The sauna is closed for the summer season and is due to reopen in autumn 2026. Private hire costs NOK 1600 for members and NOK 2000 for others for two hours.