What you might see

What You Might See on Mount Rinjani

Mount Rinjani best treks in the world according to Lonely Planet.Mount Rinjani in Lombok, Indonesia, has earned its place as one of the best treks in the world according to Lonely Planet. The publication has consistently ranked it highly due to its challenging and rewarding trek.
It offers stunning landscapes, diverse wildlife, and awe-inspiring volcanic features. Here’s an in-depth look at what you might see during your journey:

1. Crater Lake: Segara Anak

Segara Anak is a stunning turquoise lake inside Mount Rinjani’s huge caldera. It was formed by volcanic eruptions. This crater lake is one of the mountain’s most famous sights.

Size & Depth: The lake is about 2,000 hectares and 230 meters deep.
Sacred Importance: The Sasak and Balinese see the lake as sacred. They often hold ceremonies here.
Reflection Views: On clear days, the lake’s calm waters reflect the crater walls. This creates a breathtaking scene.

Hot Springs

Near Segara Anak, there are natural hot springs. They offer warm, mineral-rich water. Trekkers can relax and recover here after a long hike.

Fumaroles

Along the lake’s edge, fumaroles release steam and gas. This adds a mystical touch to the area. These vents show the ongoing geothermal activity beneath Rinjani.

2. Rinjani Summit (3,726 meters)

Reaching Mount Rinjani’s summit is a challenging but rewarding journey.

Panoramic Views: From the top, you can see Lombok Island, Bali’s Mount Agung, Sumbawa, the Gili Islands, and the Indian Ocean.
Volcanic Crater: The summit shows steep ridges, deep valleys, and past eruptions. It’s a display of nature’s power.
Sunrise Views: Many start their hike early to see the sunrise. It lights up the crater lake and mountains in golden light.

3. Flora and Fauna

Mount Rinjani’s diverse ecosystems support many plants and animals. Many are found only in Lombok.

Flora

Tropical Rainforest (0–1,500m altitude): The lower slopes are lush rainforest. You’ll find ferns, moss-covered trees, and vibrant orchids.
Montane Forest (1,500–2,500m altitude): Higher up, there are shorter trees, thick shrubs, and flowering plants.
Alpine Meadows (Above 2,500m): Near the summit, the landscape changes to grasslands, rocky terrain, and tiny wildflowers. They’re adapted to the harsh conditions.

Fauna

While trekking, you might see:

Lombok Leaf Monkey (Gray Macaque) – Often swinging between trees.
Rinjani Scops Owl – A rare and elusive owl species.
Wild Boar & Deer – Sometimes spotted near the forests.
Birds of Prey – Eagles and kingfishers soaring above.

4. Waterfalls

Before or after your trek, visit Lombok’s stunning waterfalls at Mount Rinjani’s base.

Tiu Kelep Waterfall

Tiu Kelep is one of Lombok’s most famous waterfalls. It cascades down a rocky cliff surrounded by dense jungle. The mist from the falling water creates a dreamy atmosphere.

Tiu Pupus Waterfall

A quieter waterfall along the trek route is known for its peaceful setting and crystal-clear waters.

5. Trekking Trails and Viewpoints

Different routes offer breathtaking viewpoints along the way.

Senaru Crater Rim Viewpoint: A Breathtaking Perspective of Mount Rinjani

The Senaru Crater Rim Viewpoint is a stunning spot on Mount Rinjani. It gives a breathtaking view of Segara Anak Lake, Gunung Barujari volcano, and the mountains. It’s along the Senaru trekking route and is a top spot for camping before exploring Rinjani’s caldera.

This viewpoint is a must-see for trekkers. It offers unforgettable sunrise and sunset views. You can also enjoy a peaceful camping experience and a scenic descent route.

Segara Anak Lake – A mesmerizing turquoise lake inside Rinjani’s caldera, stretching across the massive volcanic crater.
Gunung Barujari Volcano – The active volcanic cone inside the lake, sometimes spewing smoke and steam, creating a dramatic scene.
Towering Cliffs & Valleys – The rim is a rugged, dramatic landscape with steep drop-offs and rolling mist-covered valleys.
Lush Green Slopes & Rainforest Below – Unlike the Sembalun route, which starts in savannas, the Senaru trail takes you through dense rainforests, making for a diverse trekking experience.

Located near the village of Senaru, this viewpoint offers stunning views of Mount Rinjani’s crater rim, misty valleys, and dense forests.

Sembalun Crater Rim Viewpoint: The Best Panoramic Spot on Mount Rinjani

The Sembalun Crater Rim Viewpoint is a breathtaking spot on Mount Rinjani. It gives unparalleled views of Segara Anak Lake, Gunung Barujari volcano, and the landscapes. It’s along the Sembalun trekking route and is a key stop for trekkers heading to the 3,726-meter summit of Rinjani.

Whether you’re chasing a magical sunrise, a dramatic sunset, or just an awe-inspiring view, the Sembalun Crater Rim Viewpoint is a must-visit for adventurers.

Unforgettable Sunrise & Sunset Views

One of the biggest highlights of the Sembalun Crater Rim is its stunning sunrise and sunset:

Sunrise at the Crater Rim – Trekkers camping overnight wake up early to watch the sun rise over the horizon, illuminating the lake, volcano, and summit with golden light.
Sunset Over the Clouds – As the sun sets, the crater rim glows in shades of orange, pink, and purple while clouds roll in below, creating an otherworldly view.

These moments are often described as some of the most breathtaking in Indonesia, making it a photographer’s dream.

6. Lava Flows and Crater Rim Views

As you hike around Rinjani’s crater rim, you’ll see:

Hardened Lava Flows – Evidence of past eruptions with blackened rock and twisted volcanic formations.
Volcanic Rock Formations – Sharp ridges and boulders shaped by intense heat and pressure over thousands of years.
Steaming Vents – Active geothermal vents release steam and sulfurous gases.

7. Dramatic Sunrises and Sunsets

Mount Rinjani is famous for its stunning sunrises and sunsets.

Crater Rim Sunrise – Watch as the first light illuminates Segara Anak Lake, creating a breathtaking golden reflection.
Summit Sunrise – At 3,726 meters, the first rays of sunlight stretch across the horizon, revealing the curvature of the Earth.
Sunset Over the Valleys—In the evening, the sky turns shades of pink and orange, casting long shadows over the mountains.

8. Active Volcanic Features

Rinjani is an active stratovolcano, and depending on its activity, you may witness:

Gunung Barujari Volcano

A small, active volcanic cone located inside Segara Anak’s caldera.
Frequently emits steam and sometimes spews ash into the air.

Fumaroles & Sulfur Vents

Steam rising from cracks in the earth.
Sulfur deposits turning rocks bright yellow.

10. Goa Susu: The Hidden Cave of Mount Rinjani
Goa Susu, or “Milk Cave,” is one of the most mysterious and sacred spots on Mount Rinjani, Lombok. Hidden near Segara Anak Lake, this cave is known for its warm natural springs, unique rock formations, and spiritual significance. Trekkers who venture into Goa Susu often describe it as a magical and peaceful place, making it a perfect stop for those looking to explore beyond Rinjani’s famous summit and crater lake.
Why Is It Called Goa Susu?
The name “Goa Susu” (Milk Cave) comes from:

The white mineral deposits inside the cave, resembling spilled milk.
The milky color of the water from the nearby hot springs.
Local legends that say the cave holds spiritual energy, attracting those seeking cleansing and meditation.

Goa Susu is considered a sacred place by the local Sasak people, who believe it has healing powers and often perform rituals here.

The Hot Springs Near Goa Susu

After exploring the cave, many trekkers relax in the hot springs just outside:

The warm, mineral-rich waters are said to help sore muscles and improve blood circulation.
Some local guides believe the water has spiritual cleansing properties, making it a popular place for prayers and meditation.
The springs are surrounded by volcanic rocks and steam vents, creating a genuinely otherworldly atmosphere.

Goa Susu is located near Segara Anak Lake, within Mount Rinjani’s massive volcanic crater. It is accessible only by trekking:

Trekking Route to Goa Susu

Start from Senaru or Sembalun Village – Both routes lead to Segara Anak Lake.
Hike Down to Segara Anak Lake – Descend to the lake after reaching the crater rim.
Follow the Path to Goa Susu – From the lake, a short walk (about 15–20 minutes) takes you to the cave entrance.

10. Torean viewpoint The Torean trail and viewpoint show Mount Rinjani’s unique features. These include:

Giant Rocky Cliffs: Towering rock walls frame the path, creating a canyon-like environment.
Winding Rivers & Waterfalls: Several rivers cut through the valley, forming beautiful waterfalls. ( penimbungan waterfal )
Steep Volcanic Slopes: The dramatic change from green landscapes to barren volcanic terrain is a sight (Jurassic Park)

11 . Local Villages and Culture

Sasak Villages: As you approach Mount Rinjani, especially around Senaru and Sembalun, you’ll pass through Sasak villages, where you can learn about the traditions, culture, and daily life of Lombok’s indigenous people.
Traditional Ceremonies: In certain areas, you may encounter the Sasak people performing traditional rituals and ceremonies dedicated to Mount Rinjani, which is considered sacred in their culture.

What Makes Mount Rinjani Special?

Diverse Landscapes: From lush tropical forests to alpine meadows and volcanic craters, Rinjani’s diverse landscapes make it an extraordinary trekking destination.
Sacred Significance: As the second-highest volcano in Indonesia, Mount Rinjani holds deep spiritual significance for the Sasak people, and it’s often a site for rituals and offerings.
Ecological Importance: Rinjani’s ecosystems are rich in biodiversity and support a wide variety of flora and fauna, many of which are unique to Lombok.
Adventure and Serenity: Whether you’re trekking to the summit for an adrenaline rush or relaxing by the crater lake for peaceful reflection, Rinjani offers experiences for both adventure seekers and those looking for tranquility.

Final Thoughts

Mount Rinjani is a place of unparalleled natural beauty. It offers a mix of volcanic landscapes, lush forests, stunning waterfalls, and rich biodiversity. Whether trekking to the summit, relaxing at the crater lake, or admiring the wildlife, Rinjani offers an unforgettable adventure.