Paúl de Arzila, on the left bank of the Mondego River, and occupying part of the course of the Ribeira de Cernache, is a small wetland area where the main vegetation cover is made up of bunho, reeds and planks.
In the ditches grow the Yellow Lilly-of-the-Valley Tree and the Vinheirinha Herb and on its banks poplars and willows.
Distance from Bairrada Spaces
Curia: 38km - 32min
Oliveira do Bairro: 62km - 43min
Around it there are patches of pine and eucalyptus trees.
Paúl is home to a varied population of birds (it is an important autumn passage for passerine migrants and nesting area for reed-birds) and mammals.