After 103 km from Addis Ababa, you get l3 century Monastery of Debre Libanos. View the Jemma gorge, then the Portuguese Bridge which was built 600-700 year ago as well. You will see the endemic Gelhada Baboon-bleeding heart creater. Finally the Blue Nile Gorge which is greater than canon of USA and picnic lunch en route. Back to Addis Ababa for overnight.
Also see tour packages in:
Africa Ethiopia Local Culture Cultural Journey