42°51’42.7″N 12°26’16.0″E06050 Collazzone, Province of Perugia, Italy
or this one: https://goo.gl/maps/D1Y8B8YWgULXxoBi7
This is how you get to Casa Olmeto:
Take exit Pantalla/Collazzone from E45/SS3bis which connects Perugia and Terni.
Turn right onto SP421. Follow for 750m.
Turn right onto Vacobolo Borghetto/SP384. Follow for 3.3km.
Turn left onto Strada Comunale del Poggio. Follow for 1.3km.
You will pass the fence to the left, and then turn left down 65 m towards the entry gate.
Below you see the location/directions on the Google maps: