Banggai ArchipelagoThe Banggai Islands, off eastern Central Sulawesi: Lake Paisupok on Peleng Island, reef diving, and the Banggai cardinalfish, native only to these islands.Read more
BangkaBangka Island, off the northern tip of North Sulawesi: soft coral pinnacles and quiet dive resorts, reached by boat from Likupang.Read more
BiraTanjung Bira, at the southern tip of South Sulawesi: white sand beaches, clear water for snorkelling, and the pinisi boatyards of Tana Beru nearby.Read more
Sulawesi Travel Guide: Plan Your Trip by Region and SeasonPlan a Sulawesi trip in one place: the six regions and what each is known for, when to go, the two gateways, sample routes, visa, money and safety.Read more- How to Get to Sulawesi: Flights, Ferries and Entry PointsFly to Makassar (UPG) or Manado (MDC), Sulawesi's two international gateways with visa on arrival. Flights, Pelni ships and entry points, October 2026.Read more
- Things to Do in Sulawesi: Diving, Wildlife, Culture and IslandsDiving at Bunaken, Lembeh and Wakatobi, tarsiers at Tangkoko and the tongkonan of Tana Toraja: 21 things to do in Sulawesi, by region and best month.Read more
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2-Day Lembah Ramma Valley Hiking & Camping TourJourney from Makassar into the cool highlands of Malino for a 2-day trekking adventure through mountain streams and pine forests to Lembah Ramma. Camp overnight in a tranquil valley beneath the shadows of Mount Bawakaraeng, surrounded by lush meadows and dramatic rock wallsRead more
2D1N Tangkoko Nature Reserve Overnight Wildlife SafariExperience Tangkoko Nature Reserve across two distinct wildlife activity windows on an overnight safari. Track troops of Sulawesi black crested macaques, bear cuscus, and nocturnal tarsiers at dusk, then wake for an early-morning canopy trek to spot rare endemic birds and early-rising primatesRead more
3D2N Manado Highland & Island EscapeDiscover the cool Minahasa Highlands and historic landmarks before venturing out on a boat excursion across Bunaken Marine Park and Nain Island. Wrap up your journey with local culinary experiences and a quick city shopping tour of ManadoRead more
- 2-Day Lembah Ramma Valley Hiking & Camping Tour
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- 2-Day Lembah Ramma Valley Hiking & Camping Tour
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- 3D2N Makassar & Maros Highlights Tour
- Bunaken & North Sulawesi Flexible Dive Resort Escape
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- 5-Day Babirusa & Nantu Forest Expedition
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Private car with driverDoor to door across Sulawesi, with a local driver. Send us your route, and we reply with a price.Ask for a price- Road routes27 routes between the towns of Sulawesi, each with its distance and drive time.All land routes
- Tours with transport includedTours put the driving, the stops and the nights together into one trip.See the tours
WEST SULAWESI
Mount Gandangdewata
HIGHEST PEAK & MULTI-DAY TREK
Mount Gandangdewata
Mount Gandangdewata is the highest mountain in West Sulawesi. Its summit, in the Quarles Range, is above 3,000 m. Travellers come for the climb, a remote trek of several days.
The trek leads through primary moss forest and up onto the highland ridges. The mountain rises near Mamasa, a highland town at about 1,200 m. Mamasa has its own Toraja culture, with carved tongkonan houses. It has almost no tourist infrastructure.
In the Mamasa valley below the mountain, every month averages more than 100 mm of rain. July to October has the least rain: August averages 101 mm. May is the wettest month, with 295 mm. In the wet season, landslides make the mountain road to Mamasa harder.
Allow 6 to 12 days for the climb, plus the drive in. Mamasa is 3 to 4 hours by road from Rantepao. The climb combines with a stay in Tana Toraja. Evenings in Mamasa are cool all year. Pack a fleece.
Mount Gandangdewata in pictures
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Mount Gandangdewata, in the Quarles Range of West Sulawesi: a multi-day trek to a summit above 3,000 m, through moss forest, river valleys and high ridges.
When to go and how to get there
Rain in Mount Gandangdewata, month by month, and the journey in from the nearest airport.
Driest months
Jul – Oct
August is the driest month, with 101 mm of rain on average. May is the wettest, with 295 mm. Every month here averages more than 100 mm of rain.
- Driest months
- In between
- Wettest months
January: 158 mm, February: 157 mm, March: 220 mm, April: 284 mm, May: 295 mm, June: 218 mm, July: 127 mm, August: 101 mm, September: 116 mm, October: 134 mm, November: 205 mm, December: 279 mm
Rain: CHIRPS v2.0, Climate Hazards Center, UC Santa Barbara, average of 1991-2020. See the weather in Sulawesi by month
Getting there
01 · Fly
To Makassar (UPG)
Daily flights from Jakarta, Bali and across Sulawesi.
02 · Drive
Makassar → Rantepao
8 – 10 h by private car, or an overnight bus. Rantepao is the usual base in Tana Toraja.
03 · Drive
Rantepao → Mamasa
3 – 4 h west over a mountain road, harder in the wet season. Mamasa is the highland town near the mountain.
04 · Drive
Polewali → Mamasa
The way up from the West Sulawesi coast, 5 – 6 h. Polewali is on the coast road from Makassar to Mamuju.
Mount Gandangdewata weather by month
The average rain, temperatures and sea of each month, measured over many years.
| Month | Rain (mm) | High / low (°C) |
|---|---|---|
| January | 158 | 26 / 16 |
| February | 157 | 26 / 16 |
| March | 220 | 26 / 16 |
| April | 284 | 26 / 17 |
| May | 295 | 26 / 17 |
| June | 218 | 26 / 16 |
| July | 127 | 26 / 15 |
| August | 101 | 26 / 15 |
| September | 116 | 27 / 15 |
| October | 134 | 28 / 16 |
| November | 205 | 28 / 16 |
| December | 279 | 27 / 16 |
Rain: CHIRPS, 1991-2020. Temperatures: NASA POWER, 2001-2025.
Tours that go to Mount Gandangdewata
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