Popular routes include the Marangu, Machame, Lemosho, and Rongai routes. Each route varies in difficulty, scenery, and acclimatization profiles.

Yes, Tanzanian regulations require all climbers to be accompanied by a licensed guide. Additionally, porters and cooks are typically part of the trekking team.

Climbers should be in good physical condition and have experience with long-distance hiking. Cardiovascular fitness, strength, and stamina are important.

Essential gear includes layered clothing for varying temperatures, a good quality sleeping bag, sturdy hiking boots, a backpack, and trekking poles. Specific packing lists are usually provided by tour operators.

Altitude sickness occurs due to lower oxygen levels at high altitudes. Preventative measures include gradual acclimatization, staying hydrated, and possibly taking medications like Diamox.

The minimum age for climbing Kilimanjaro is 10 years old, but younger climbers need to be physically fit and prepared. There's no maximum age, but older climbers should consult with a doctor.