Visited Heidelberg Castle (Schloss Heidelberg) with my wife on 2 May 2026. The adult castle ticket is €11 (€5.50 reduced) and includes the lower funicular return up to the castle, the courtyard, the Great Tun, and the German Pharmacy Museum — already covered if you have a HeidelbergCARD.We also walked the Old Bridge (Karl-Theodor-Brücke): touch the bronze monkey’s mirror for wealth, the fingers to return to Heidelberg. Best free view is across the bridge then up the Schlangenweg (~500 m steps) to the Philosophenweg — castle, bridge, and Altstadt in one frame.For the Bergbahn: panorama return (both railways to Königstuhl) is €17 adults; if you’re only going to the castle, stick with the €11 ticket that includes the lower funicular.