The Mount Rinjani trekking season is the most important factor to consider before planning your hike. Standing at 3,726 meters on Lombok Island, Mount Rinjani offers one of Indonesia’s most remarkable volcano trekking experiences. However, weather conditions, trail safety, and national park regulations vary throughout the year.
Understanding the best time to climb Mount Rinjani will help you plan a safer, more comfortable, and more rewarding adventure. This updated 2026 guide provides a complete overview of the Mount Rinjani trekking season, including weather patterns, monthly conditions, route recommendations, and practical planning tips.
Mount Rinjani Trekking Season Overview
Mount Rinjani National Park is officially managed by the Balai Taman Nasional Gunung Rinjani (BTNGR).
- Open Season
1 April – 31 December - Closed Season
1 January – 31 March
The park closes annually during the rainy season to protect trekkers and allow trail recovery. Heavy rainfall, landslides, fog, and unstable terrain make trekking unsafe during this period.
If you plan to climb Mount Rinjani, always schedule your trek between April and December, when trails are accessible and visibility is significantly better.
Mount Rinjani Trekking Season – Weather by Month
| Month | Season | Conditions | Recommendation |
|---|---|---|---|
| Jan – Mar | Rainy | Heavy rain, park closed | ❌ No trekking |
| April | Early Dry | Green scenery, clear air | ✅ Good for photography |
| May – June | Stable Dry | Cool mornings, clear skies | ⭐ Excellent |
| July – August | Peak Dry | Cold nights, busy season | ⭐⭐ Great (book early) |
| Sept – Oct | Late Dry | Warm, fewer crowds | ⭐⭐⭐ Best balance |
| Nov – Dec | Early Rainy | Humid, light rain | ⚠️ Short routes only |
Mount Rinjani Weather Conditions
- Daytime temperature: 15–25°C
- Crater rim at night: 5–8°C
- Summit temperature: can drop to 3°C before sunrise
- Rainfall peak: December to February
- Windiest months: July and August
Even during the dry season, weather at high altitude can change rapidly. Warm layers, wind protection, and rain gear are essential for every trek.
Best Time to Climb Mount Rinjani by Route
For clear sunrise views, stable weather, and safer trail conditions, the best time to climb Mount Rinjani is between May and October.
- May – June
Clear skies, calm conditions, and lush landscapes - July – August
Peak season with excellent visibility but colder nights - September – October
Warmer temperatures, fewer trekkers, and stable weather
These months are ideal for summit programs (2D1N or 3D2N) as well as longer routes via Torean.
Recommended Trekking Routes by Season
| Season | Recommended Route | Why |
|---|---|---|
| April – June | 3D2N Sembalun–Senaru2D1N Summit Sembalun | Green scenery, ideal for first-time trekkers |
| July – August | 3D2N Sembalun–Torean5D4N Expedition | Best visibility, suitable for longer treks |
| Sept – Oct | 3D2N / 4D3N Torean Route2D1N Summit Sembalun | Best weather–crowd balance |
| Nov – Dec | 2D1N Senaru Crater Rim | Short treks before closure |
Early Booking Tips
During July and August, Mount Rinjani trekking permits are limited by daily quotas.
We strongly recommend booking 2–3 months in advance during peak season to secure your preferred dates.
Green Rinjani packages include:
- National park permit and trekking insurance
- Licensed local guides and professional porters
- Quality camping equipment and mountain meals
- Flexible rescheduling if weather conditions change
What to Do During the Closed Season (January – March)
Although Mount Rinjani is closed during the rainy season, Lombok offers many alternative outdoor experiences.
Pergasingan Hill Trek – Sembalun
A scenic one-day or overnight trek with sunrise views over Sembalun Valley and Mount Rinjani.
Waterfall Exploration – North Lombok
Visit Sendang Gile, Tiu Kelep, Tiu Teja, or Benang Stokel waterfalls, which are especially impressive during the rainy months.
Lombok Day Tours
Explore traditional villages, rice terraces, and cultural sites in Senaru, Sembalun, and central Lombok.
Lombok Private Transport Service
Green Rinjani provides safe and reliable private transport across Lombok, including airport transfers, Bangsal Harbor, Senggigi, Kuta Lombok, Senaru, and Sembalun.
Our drivers are local professionals who understand road and weather conditions year-round.
Best Place to Stay Before Trekking
Staying in Senaru or Sembalun before your trek allows proper rest, acclimatization, and preparation. Early arrival also gives you time to enjoy waterfalls and village life before heading into the mountains.
Quick Summary
- Open season: April – December
- Closed season: January – March
- Best time to climb: May – October
- Best short trek: 2D1N Summit Sembalun
- Best long trek: 5D4N Sembalun–Torean
- Best alternatives (Jan–Mar): Pergasingan Hill, waterfalls, Lombok tours
Why Trek with Green Rinjani
Green Rinjani is more than a trekking operator. It represents over a decade of honesty, education, and environmental care.
Since 2011, we have guided thousands of trekkers on Mount Rinjani with one clear purpose: to protect the mountain while sharing its beauty responsibly.
For us, trekking Rinjani is not only a physical challenge. It is a personal journey. Every guest arrives with a different intention — adventure, photography, self-discovery, or simply the desire to feel connected to nature.
We encourage respect on the trail, patience with one another, and awareness that this sacred mountain belongs to everyone.
Leading by Example
By choosing Green Rinjani, you support a locally owned initiative built on integrity and long-term responsibility.
Over the years, our actions have spoken clearly:
- We introduced Zero-Waste Trekking practices
- We organized tree planting and reforestation programs
- We ensured fair wages and proper treatment for porters and guides
- We built transparent, safety-focused operations
Our mission has never been competition. It has always been transformation.
Our Commitment to Sustainability
Today, Green Rinjani is recognized for its leadership in environmental care, safety standards, and community involvement.
We work closely with the Mount Rinjani National Park Authority and local ranger teams to protect trails and ecosystems for future generations.
Our ongoing initiatives include:
- Supporting local education in Senaru and Sembalun
- Providing fair employment opportunities
- Promoting environmental awareness among trekkers
When you trek with Green Rinjani, you directly contribute to these efforts.
The Green Rinjani Spirit
- We do not follow trends — we set standards.
- We are not imitators — we are educators.
- Every step reflects respect for the mountain we call home.
Small, consistent actions create meaningful change.
A Legacy of Honesty, Care, and Community
Green Rinjani stands as proof that a local initiative can grow into a positive force for an entire mountain ecosystem.
Every trekker who joins us becomes part of that legacy — protecting Mount Rinjani while supporting the people who live around it.
We are Green Rinjani. The original eco-trekking company since 2011.
Every journey is real, locally owned, and led with responsibility — one step at a time