Start / End: Centro da vila de Penacova
Mondego's Library takes its name from the impressive geological formation that resembles a bookshelf filled with books. The tall layers of Ordovician quartzites arranged almost vertically, evoke the image of book spines.
Recommended season: Spring and Summer (the route might be conditioned in autumn and winter by crossing the river upstream)
Type: Short-Distance Path Loop
Distance: 11.7
Difficulty: Difficult (level 4)
GPS Coordinates: 40°16'13.4"N 8°16'51.3"W