Flugplatz Sonnen (EDPS) is a private airfield near Passau in Bavaria, founded in 1969 and operated by Flugplatz Sonnen GmbH. The site mentions Pilotenausbildung, a gasthaus with viewing terrace, and regular aviation activity including round flights and traditional events such as the Sonnwendflug.
For pilots, the airfield lists Runway 02/20, ATIS/Info 118.960 and an elevation of 2699 ft.