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Kilimanjaro 11 October 2026 2 min read

Mount Meru: the four-day acclimatisation climb

Mount Meru is Tanzania's second-highest mountain, at 4,566 metres, and stands inside Arusha National Park. It is steeper and quieter than Kilimanjaro, and it is the best preparation for it.

Mount Meru: the four-day acclimatisation climb

The mountain

Meru is a volcano west of Kilimanjaro, visible from Arusha on a clear day. An eruption long ago blew out its eastern side, leaving a horseshoe-shaped crater with a sheer inner wall and a younger ash cone inside. The summit, Socialist Peak, sits on the rim of that crater.

Because the lower slopes are part of Arusha National Park, you walk through wildlife: buffalo, giraffe, warthog and black-and-white colobus monkeys. An armed ranger accompanies every group.

At a glance

Summit
Socialist Peak, 4,566 m
Duration
3–4 days
Start
Momella Gate, Arusha National Park
Accommodation
mountain huts
Best season
June to October, December to February

The four-day route

  • Day 1. Momella Gate to Miriakamba Hut, about 2,500 m, through forest and open grassland.
  • Day 2. Miriakamba to Saddle Hut, about 3,570 m. In the afternoon, an optional walk up Little Meru, 3,820 m.
  • Day 3. Summit. Start around midnight, climb the rim to Socialist Peak for sunrise over Kilimanjaro, then descend to Miriakamba.
  • Day 4. Descend to Momella Gate.

The three-day version combines the last two days. Four days is better if Meru is your acclimatisation climb.

Why it helps on Kilimanjaro

Spending nights at 2,500 m and 3,500 m and reaching 4,500 m gives your body a head start on adapting to altitude. Climbers who do Meru first often find the early days of Kilimanjaro easier. Allow at least one rest night in Moshi or Arusha between the two climbs.

Why it is worth doing on its own

  • It is quiet. Meru sees a fraction of Kilimanjaro’s climbers.
  • The summit ridge is dramatic, with a sheer drop into the crater.
  • The sunrise view of Kilimanjaro floating above the clouds.
  • Wildlife on the lower slopes.

Questions we get asked

Is Meru harder than Kilimanjaro?

The summit ridge is steeper and more exposed. Kilimanjaro is higher, so altitude is the bigger challenge there.

Do I need a separate crew?

Yes. Meru is run with its own guide, cook, porters and park ranger.

How many days should I plan for Meru plus Kilimanjaro?

Around fourteen days on the ground, including rest days and arrival.