We consistently recommend climbing first, safari second — Kilimanjaro is a genuinely demanding multi-day trek (routes range roughly five to nine days, with longer routes offering meaningfully better summit success rates through slower altitude acclimatization), and arriving at the mountain already fatigued from early safari wake-ups works against you, whereas resting and recovering on safari after a summit attempt is exactly the restorative sequence your body wants. Kilimanjaro does not require technical climbing skill or equipment on its standard routes — it is a long, high-altitude walk, not a climb in the mountaineering sense — but it demands genuine physical preparation and, most critically, a route and itinerary long enough to acclimatize properly rather than rushing the ascent, which is the single biggest factor in both summit success and basic safety at altitude. Arusha, the standard gateway town for Kilimanjaro climbs, connects directly and easily to Tanzania's northern safari circuit, making the logistics of combining both refreshingly simple compared to some other cross-country combinations covered in this guide. A realistic combined trip runs a minimum of 12-14 days total to do both properly without compromising either the climb's acclimatization schedule or the safari's pacing.