The Unhais River is one of the many tributaries of the Zêzere River and runs through the slopes of the municipality of Pampilhosa da Serra.

The Zêzere rises in the Serra da Estrela. It is the second-longest exclusively Portuguese river, after the Mondego.

A vault-type dam on the Ceira River, located in the Mondego river basin. Located on a mountain slope and surrounded by cliffs, it offers ideal conditions for mountaineering and mountaineering.

A place of remarkable natural beauty, popular for water sports, the island is the result of the confluence of the Unhais and Zêzere Rivers.

A vault-type dam on the Unhais River, a right-bank tributary of the Zêzere, offers magnificent views from the seawall, with several fish species.

This municipality is rich in water resources, particularly waterfalls. Located in Vale Covo, the waterfall boasts a considerable height (327 meters), making it ideal for sport fishing on the Unhais River.

On the mountain parish of Cabril, the more than two metres tall waterfall that comes from the Unhais brook (resulting of the encounter of the Estrela and Alforfa brooks) is quite an interesting natural resource but difficult to get to. The landscape includes the Poio reservoir.