Realistic, but only with enough days to avoid it becoming a logistics-dominated blur — we recommend a minimum of 15-18 days for a genuine three-country trip that still leaves room to actually settle into each park rather than checking boxes. The natural sequencing follows both geography and travel fatigue: Uganda first for primate trekking (the most physically demanding component, best tackled while fresh), then a short flight to Kenya for the Mara and a second park, then either an overland-adjacent or short-flight transition into Tanzania for the Serengeti-Ngorongoro circuit, finishing with a beach extension in Zanzibar if days allow. Each country-to-country transition costs the better part of a travel day even by air, so a three-country trip realistically needs two to three fewer 'game-viewing days' than the total night count suggests — build this expectation in from the start rather than discovering it once the itinerary is drafted. Shorter three-country attempts (under 12 days) are technically possible but we actively discourage them for anyone except returning clients who have visited each country before and specifically want a fast-paced highlights tour rather than a considered first experience of any of them.