Pick clients from the place of staying in Arusha City at 5:00am and drive 4hrs to Ngorongoro Conservation Area Authority. Descend down the crater floor with picnic lunch boxes. Full day crater tour-which is 6hrs.There, is a very high possibility of spotting the big 5 in one day: Lion, Rhino, Elephant, Buffalo and Leopard. Lunch will take place at the picnic site at the crater floor. In the afternoon, ascend the crater and drive back to Arusha city.