Prague's most celebrated view is from Charles Bridge looking northwest — the 600-year-old stone bridge lined with Baroque saint statues crosses the Vltava at the exact point where the castle complex (Hradčany) rises above the Malá Strana (Lesser Town) neighborhood in a gothic-baroque-Renaissance stratified composition that has barely changed since the 18th century. Every hotel in central Prague is organized around its relationship to this view, either facing the river and castle from the Staré Město (Old Town) east bank or embedded within the Malá Strana's castle complex to the west.
The Old Town Square (Staroměstské náměstí) provides a completely different viewing experience — looking up at the Gothic spires of the Týn Cathedral from the medieval cobblestones, or watching the Astronomical Clock's hourly mechanical procession from a hotel terrace above the square. Hotels facing the Old Town Square have rooms and terraces with views directly onto this extraordinary medieval ensemble, and at Christmas (when the market fills the square) the view from an upper floor combines the illuminated church facades, the market stalls, and the star-lit sky in a composition that is definitively Czech.
Petřín Hill, rising 318 meters above the Vltava's left bank and connected to the Malá Strana by funicular, has a 60-meter observation tower (a miniature Eiffel Tower built in 1891) from which the entire Prague basin is visible — the river's two bends, the Castle above, the Old Town's tower cluster, and the residential vinohradý suburbs extending east. The hill itself is a park of orchards and rose gardens that provides extraordinary views of the Hradčany complex from its forested paths.
The Letná Park plateau north of the Old Town, above the Vltava's north bend, has a beer garden terrace facing south that provides the most complete Prague panorama after Petřín — the river curves below, with Josefov (the former Jewish Quarter), the Old Town Hall, the Týn spires, and the castle visible simultaneously from left to right. The Letná beer garden at sunset, with a cold Czech beer and this panorama, is one of the great urban outdoor experiences in Europe.
Prague's hotel terrace culture, particularly for rooftop bars and restaurants in the Old Town, has developed significantly — some of Prague's most dramatic views are earned with a cocktail rather than a museum ticket. The views from Old Town rooftops, looking toward the castle across the river, or looking across the red-roofed medieval townscape from above, are complementary to the ground-level experience of walking the streets.