If you are walking the Grande Anello dei Sibillini, you can stay at our B&B. 

The B&B (mini apartment for exclusive use) is located in San Lorenzo al Lago, right along the Cupi - Fiastra stage

This path passes right in front of the house.

This is the location of the B&B https://maps.app.goo.gl/gie6RKjomS8Yduv76

Here you can find the reference website for this trek, with all the information about the route (how many days, km, stages, duration, altitude difference, etc.)

Great Ring of Sibillini https://www.sibillini.net/en/chiedi_sibilla/cosaFare/sentieri/gas/index.php