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Mount Rinjani
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Mountain
Mount Rinjani on the island of Lombok is the second highest volcano in Indonesia, standing at 3,726 meters, and holds significant spiritual importance for the local people. This active stratovolcano is situated within the Mount Rinjani National Park and is part of the Rinjani-Lombok UNESCO Global Geopark. Its most striking feature is the 6 by 8.5 kilometer wide caldera, which contains the deep blue Segara Anak lake at an elevation of 2,000 meters. Within the lake, a smaller, younger volcanic cone named Gunung Barujari has emerged from recent eruptions. Climbing to the summit is considered one of the most challenging yet rewarding treks in Southeast Asia, offering views as far as Mount Agung on Bali. The region is rich in thermal springs and waterfalls fed by volcanic activity.
- Location: Indonesia
- Top sights: Starting point Pergasingan Mountain · Kebon strawberry Nazuha · Bukit Selong
- Nearby: Lombok (20 km)
Best time to visit & climate
The most pleasant time to visit is Jun–Aug.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 26 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 28 | 27 |
| Rain mm | 289 | 240 | 206 | 125 | 83 | 40 | 28 | 11 | 39 | 65 | 175 | 284 |
📋 Practical info
Getting there
Treks generally commence from either the village of Senaru or Sembalun, both reachable by hired transport from Lombok's main airport or coastal towns.
Best season
The trekking season is generally open from April to December, with the dry months of July and August offering the clearest views of the crater lake.
Terrain & paths
The trails are notoriously steep, dusty, and physically grueling, especially the final loose volcanic scree slope leading up to the main summit.
What to bring
Proper trekking boots, warm clothing for the freezing summit temperatures, a headlamp, and a reliable sleeping bag are essential for the multi-day trip.
Parking
Transport is usually arranged as part of a tour package, with vehicles dropping trekkers at the trailhead and picking them up at the designated endpoint.
Safety
Acute mountain sickness is a real risk; pacing yourself, staying hydrated, and trekking with a licensed guide and porters are crucial safety measures.
Time needed
The most common trekking packages last between two and four days, allowing enough time to reach the crater rim, the lake, and potentially the summit.
Geography
Facts
- The summit reaches an elevation of 3,726 meters above sea level.
- The Segara Anak crater lake has a maximum depth of approximately 230 meters.
- The mountain was designated as a UNESCO Global Geopark in 2018.
- The most recent eruption of the inner cone, Gunung Barujari, occurred in 2016.
- The first recorded ascent by a European was by J. Zollinger in 1847.
- The national park covers a protected area of more than 41,000 hectares.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
Vehicle
Only stops with (optional):
© OpenStreetMap contributors · OpenRouteService
Sights in the town Mount Rinjani (6)
Sights nearby
Frequently asked questions
How long is the trek?
Usually 3 days and 2 nights to reach the summit.
Is there a lake there?
Yes, the crater lake Segara Anak sits at 2,000m.
Is a guide mandatory?
Yes, for safety reasons a licensed guide is mandatory.
Is the path steep?
Yes, especially the final stretch to the summit is very tough.
When is the season?
April to December. Often closed during the rainy season.
Mount Rinjani: where is it located?
Mount Rinjani is located in Indonesia.
Mount Rinjani: what is there to see?
Highlights include Starting point Pergasingan Mountain, Kebon strawberry Nazuha, Bukit Selong.
Mount Rinjani: when is the best time to visit?
The most pleasant time to visit is Jun, Aug.
Mount Rinjani: why is it worth visiting?
Mount Rinjani on the island of Lombok is the second highest volcano in Indonesia, standing at 3,726 meters, and holds significant spiritual importance for the local people.
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