Much is organized in Potes and its surroundings. Markets, festivals, holidays, religious activities, sports competitions, etc.
The best cultural agenda for the province of Cantabria (and also a lot in the capital Santander, which is about an hour and a half drive from the finca) can be found here:
https://turismodecantabria.com/proximamente/calendario-de-eventos
Calendar for the Liébana valley, that’s where you are, with Potes as the capital of the valley:
https://www.turismodecantabria.com/proximamente/eventos/buscador-aWRab25hPTEm
This is a great website to explore, with all kinds of tourist information worth knowing.