The rim of Letná park offers several viewpoints, but it's mostly covered by trees that block unobstructed views. There's a small hole in the foliage at this spot.
There are several church towers visible above rooftops: Church of Our Lady before Týn, St. Nicholas' Church or Salvator Church. Another dominant tower belongs to the Prague Astronomical Clock.
Photo tips: Only telephoto is possible, mostly 200 mm up will be needed, unless you want to include quite a bit of foliage in your shot.
Getting there: It's an easy walk from the center, just a bit uphill.