Pesoz is crossed by two rivers: Agüeira and Navia, joining the first one in the second, close to the Doiras reservoir.

Pesoz is located in the confluence of the rivers Agüeira and Aio, and the population is established in the proximities of Palacio de Ron.

In the 20th century, the creation of the Salime reservoir positively affected to its population.

When it finished, people left Pesoz giving it serious economic and social troubles.

This article about a location in the Principality of Asturias, Spain, is a stub.