Skip to content
Voykit
Draft data. Times, fares and step counts are desk estimates awaiting field checks. How we verify
Source checked
A source and a date are on record: we read it from an official or published page. Not yet confirmed on the ground.
Field checked
Someone checked it on the ground, with the date shown.
Plan calculated
Worked out by Voykit from its own data (times, distances, budgets). A calculation, not a measurement.

Unknown times stay unknown. How we verify

National park · Comoros

Mount KarthalaMont Karthala

Two-day guided hike: start at 06:00 from Mvouni, climb 13 km (8.1 mi) and 1,950 m to the crater rim, sleep in a basic camp at 800 m, descend by 11:00 next day. One-day option: 06:00–19:00. Go June–September. Entry is free; guide and camp costs are the main expense.

Not field-verified
Source checked
A source and a date are on record: we read it from an official or published page. Not yet confirmed on the ground.
Field checked
Someone checked it on the ground, with the date shown.
Plan calculated
Worked out by Voykit from its own data (times, distances, budgets). A calculation, not a measurement.

Unknown times stay unknown. How we verify

Some areas permit-onlyChecked Sep 2026
More
Map to the park
Google Maps Apple Maps Street View
Directions
From where I am

Add your hotel to get directions from it. · stays in this browser; shared with the pocket card.

Area

100 km² (39 sq mi)

approximate

Established

1986

Best months

May–Sep

UNESCO

None

Rules in force · 7Nine African countries on this site have no trip line bec…
  • Africa ↗When a route touches a yellow-fever country — even a transit of 12 hours or more — keep the original yellow card (ICVP) in your hand luggage; health desks and airlines can refuse boarding or entry without it.
  • Africa ↗Nine African countries on this site have no trip line because governments advise against travel; several others have no-go regions. Read your government's advice for every country on the route before paying deposits.
  • African islands ↗Sleep on the island you fly home from the night before your long-haul departure; inter-island flights and ferries in this region are cancelled or rescheduled often enough to break a same-day connection.
  • African islands ↗In the Indian Ocean islands book flexible rates for December to March: a cyclone warning can shut airports, ferries and roads for two or three days.
  • Comoros ↗Check visa and entry rules for your passport with the Comorian authorities before booking; visas on arrival have been available for many nationalities, but confirm before you fly.
  • Comoros ↗Book a travel-clinic visit several weeks ahead; ask about malaria prevention and whether a yellow fever vaccination certificate is required for your route.
  • Comoros ↗Inter-island flights and boats are irregular and sea crossings can be unsafe in rough weather; prefer flights and keep a buffer day.

At a glance

Country
Comoros
Area
100 km² (39 sq mi)
Approximate; the park boundaries are not well published (check).
Established
1986
Best months
May–Sep
Permits
For some areas
Base
Moroni

Mount Karthala is an active shield volcano on Grande Comore, rising 2,361 m from sea level. The hike crosses tropical forest, then scrub, then bare rock to a vast crater where steam vents warm the ground. It is the highest point in the Comoros and one of the most accessible active volcanoes in the Indian Ocean. The park has no formal entry fee or visitor centre; access is arranged through local guides in Mvouni or Moroni.

Decide

Why go, which months, and what lives here when

At a glance

Status

  • No UNESCO listing; national park since 1986.

Size and age

100 km² (39 sq mi) · national park since 1986

Approximate; the park boundaries are not well published (check).

This page covers the park itself. Nearest base: Moroni.

Why go

  • Walk into the crater of an active volcano that has erupted 20 times since the 19th century.
  • See the dramatic vegetation change from dense tropical forest to alpine scrub in a single day.
  • Stand at 2,361 m – the highest point in the Comoros – with views across Grande Comore and the Indian Ocean.
  • Experience a genuine off-grid hike with no shops, no water sources and only basic shelter.

When to go

12-month verdict
  1. JanCaution
  2. FebCaution
  3. MarCaution
  4. AprGo
  5. MayBest
  6. JunBest
  7. JulBest
  8. AugBest
  9. SepBest
  10. OctGo
  11. NovCaution
  12. DecCaution
  • JanWet; trails slippery
  • FebWet; trails slippery
  • MarEnd of wet season; possible
  • AprDrying out; good visibility
  • MayDry, clear skies
  • JunCooler, dry
  • JulCoolest month; ideal
  • AugDry and stable
  • SepDry; good conditions
  • OctTransition; still good
  • NovRain returns
  • DecWet; trails slippery

Wildlife and nature calendar

Seasons shift by weeks each year
Wildlife and nature calendar for Mount Karthala
WhatJanFebMarAprMayJunJulAugSepOctNovDec
Birds (Comoro thrush, Comoro bulbul)All year · Forest birds in the lower section.yesyesyesyesyesyesyesyesyesyesyesyes
Flying foxesAll year · Seen at dusk near the forest edge.yesyesyesyesyesyesyesyesyesyesyesyes

Arrive & move

Getting in, how the park is divided, and where things are

Show 3 sectionsHideHow to get there, Zones and sectors, Sketch map

How to get there

From Moroni

Shared taxi or private car to Mvouni (20–30 min). Meet your guide there at 06:00.

20–30 min

Open the page →

From Grande Comore north coast

Drive to Mvouni via Moroni; allow 1–1.5 h.

1–1.5 h

Open the page →

Zones and sectors

Zones of Mount Karthala
ZoneWhat is thereAccess
Mvouni trailheadStart point at about 400 m elevation; tropical forest.Open; meet guide here.
Crater rim and summitThe highest point at 2,361 m; steam vents and bare rock.Guided only.
Crater floorA vast, warm depression with fumaroles and grey sand.Guided only.
Base camp settlementSmall cluster of tin sheds at about 800 m; basic shelter.Open; guide arranges stay.

Sketch map

Approximate — not for navigation
Sketch map of 5 approximate points in Mount Karthala, north up12345
Coordinates are approximate; the crater is large and the trail is not precisely mapped.
  1. 1Mvouni trailhead · Gate≈-11.717, 43.350Approximate; start point for the hike.Map ↗
  2. 2Mount Karthala summit · Summit≈-11.760, 43.353Highest point at 2,361 m.Map ↗
  3. 3Crater floor · Cave≈-11.765, 43.355Approximate; the crater is about 2 km (1.2 mi) wide.Map ↗
  4. 4Base camp settlement · Sleep≈-11.740, 43.360Approximate; at about 800 m elevation.Map ↗
  5. 5Moroni · Town≈-11.704, 43.254Capital city, 20–30 min from Mvouni.Map ↗

Take the points offline

GPX waypoints · approximate

5 points as a GPX waypoint file, plus a plain-text list of coordinates. Save it while you have signal: maps apps show the points without a connection.

Coordinates are approximate; the crater is large and the trail is not precisely mapped.

See & do

Caves, trails and wildlife, with how hard each is and whether it needs booking

Show Top experiencesHide

Top experiences

TrailsHard2 daysTwo-day crater hikeDay 1: 06:00–15:00 climb to crater, then descend to camp. Day 2: 2–3 h descent to Mvouni.Booking: Guide required
TrailsExpert11–13 hOne-day summit hike06:00–19:00; no overnight. Very long day with 1,950 m ascent and descent.Booking: Guide required
ViewpointsModerate30 minCrater rim viewpointFrom the summit, walk along the rim for views into the crater and across the island.

Practical

Fees, permits, rules, where to sleep and what can go wrong

Show 8 sectionsHideEntry fees and permits, Park rules, Where to stay, Safety, Accessibility, Visiting lightly, Questions people ask, Related

Entry fees and permits

KMF ranges · check
Fees for Mount Karthala
ItemRangePerNote
Park entryFreepersonNo official entry fee (check).
Guide (two-day hike, group up to 4)KMF 30,000–50,000group2026 estimate; includes camp arrangement.
Camp fee (shed or tent)KMF 5,000–10,000personPaid to the settlement at 800 m.
Transport Mvouni–Moroni (shared taxi)KMF 2,000–5,000personOne way.

Ranges, not quotes: fees change without notice. Check with the park or your operator · checked Sep 2026.

Guide permit or guide

Arrange in Mvouni or through a Moroni tour operator. The route is unmarked and the volcano is active; a guide is essential.

Park entry no permit

No permit needed; the park has no gate or visitor centre.

What would our group pay?

from the fee rows above · estimates

People

2

Nights or days

1
  • KMF 30,000–50,000
  • KMF 5,000–10,000
  • KMF 2,000–5,000

Tick the fees that apply to your trip to see a total.

A guide, not a quote: the ranges are estimates (checked 2026-09) and each fee may have rules on who pays it. Check with the park or your operator before you go.

Park rules

Drones, guides, camping and more
Guide required
The route is unmarked and the volcano is active; independent hiking is not advised.
No fires in the forest
Cooking is done at the camp settlement only.
Carry all rubbish out
No bins on the trail; pack out everything.
No water sources on the trail
Bring at least 3 L per person for the ascent.

Where to stay

In the park

Base camp settlement

Basic tin sheds at 800 m; guide arranges a bed or tent space. Bring a sleeping bag.

Near the park

Moroni

Hotels and guesthouses in the capital, 20–30 min from Mvouni.

Safety

Active volcano high

Check with your guide about current activity before starting. The last eruption was 2005; the volcano is monitored by local authorities.

Steep ascent and altitude medium

Pace yourself; the climb gains 1,950 m in 13 km (8.1 mi). Start early to avoid afternoon heat.

No water on the trail high

Carry at least 3 L per person. The camp settlement may have water, but confirm with your guide.

Getting lost high

Stay with your guide; phone signal is patchy or absent.

How much daylight do you have?

computed for this spot

Time out

Finding the local time zone…

Times are local to the spot (zone loading). The half-hour margin is our rule of thumb, not an official figure; light fades earlier in forest or under cloud. Carry a headlamp on any route that could run late.

Accessibility

  • The trail is steep and rough; not suitable for limited mobility.
  • No vehicle access beyond Mvouni.

Visiting lightly

  • Pack out all waste; there are no bins on the mountain.
  • Hire a local guide from Mvouni or Moroni to support the community.
  • Avoid disturbing the vegetation; the upper slopes are fragile alpine scrub.

Questions people ask

How much does it cost to enter Mount Karthala?

There is no official entry fee. The main costs are the guide (30,000–50,000 KMF per group for a two-day hike), camp fee (5,000–10,000 KMF per person) and transport to Mvouni.

What are the best hikes in Mount Karthala?

The standard route is the two-day hike from Mvouni to the crater and back, with an overnight at the base camp. A one-day version is possible but very demanding (11–13 hours, 1,950 m ascent). Both require a guide.

When is the best time to visit Mount Karthala?

June to September is the dry, cool season with the best conditions. May and October are also good. Avoid the wet season (November–March) when trails are slippery and visibility is poor.

Is Mount Karthala active?

Yes. It has erupted 20 times since the 19th century, most recently in 2005. Check with your guide about current activity before hiking.

Do I need a guide to hike Mount Karthala?

Yes. The route is unmarked, the volcano is active, and there are no facilities. Guides are arranged in Mvouni or through Moroni tour operators.

What should I bring for the hike?

At least 3 L of water, food for two days, a sleeping bag, warm clothing (it gets cool at altitude), rain gear, sturdy hiking boots, and a headlamp. No shops or water sources on the trail.

Related

Grande Comore region guide Plan your trip to Comoros Moroni

Deep dive

Every source; fees and rules change, so check before you go

Show the detailsHide

Sources

Ask about Mount Karthala

Loading…

Was this useful?