Petrin hill is one of the slightly lesser known spots of Prague, often overshadowed by its more popular touristy sights. It is, however, the perfect place to spend a few hours among greenery, maybe pack a picnic lunch for an afternoon and stroll around, and best of all, take in awesome views of the city and the river. Petrin hill is by itself 318 metres high, and top of it, has a viewing tower that rises up 63.5 metres, so once you get to the top, there are beautiful unobstructed views of the city all around. Reaching petrin is very easy - the foot of the hill is located at the tram stop called Ujezd. (Prague trams have a display board which shows the name of the upcoming stop and it is also announced. But if your tram is crowded and you cant see the board, watch out for the announcement - when it is pronounced it sounds like “Uyez” .) Ujezd is only a couple of tram stops of away from the Malastrana Square - in case you are in that area for the Charles Bridge or...
Stroll through the world, dont sprint across. Take time to smell the roses.