3d/2n trekking mount rinjani summit lake & hot springs

Rinjani rewards stubborn legs. This three-day trek gives you the fullest classic route across Mount Rinjani, starting in Sembalun and finishing in Senaru, with a summit attempt, crater lake, hot springs, and two crater-rim camps. I especially like the sunrise from the 3,726-meter summit and the changing scenery, from open grassland to forest and volcanic rock. I also like that guides, porters, meals, tents, sleeping bags, mattresses, water, and transport are included.

The catch is simple: this is a very hard trek, not a gentle nature walk. The second day can involve a summit climb, a descent to the lake, hot springs, and a steep climb back to the opposite rim. At $154 per person, the package offers good value for a supported three-day trip, but you must add the national park entrance charge of IDR 250,000 per person per day and bring your own raincoat and hiking shoes.

Key points to know before you book

• The Sembalun route begins across open grass savanna, giving you wide views and little shade during the first climb.
• Summit day starts around 3 a.m., with a roughly three-hour ascent to reach the top for sunrise.
• Segara Anak Lake and the hot springs come after the summit, but reaching them means a long, steep descent.
• The second crater rim requires another hard climb, making this program much tougher than a simple summit-and-return trek.
• The Senaru crater rim gives broad views toward Bali’s Mount Agung and the Gili Islands, when conditions are clear.
• Porters and guides carry the camp and cooking equipment, while you still need proper clothing, shoes, gloves, and a headlamp.

Why this route offers more than a summit photo

Mount Rinjani is one of Indonesia’s great multi-day mountain walks because the scenery keeps changing. The Sembalun side opens with high grassland and broad mountain views. Higher up, the path becomes steeper and rougher, then drops into the crater toward Segara Anak Lake before climbing out through forest.

I like this route because you do not simply walk up and back down the same trail. You see the summit, the lake, the hot springs, both crater rims, tropical forest, Bali’s Mount Agung, and the Gili Islands. Each section has a different feel.

That variety also makes the trek tiring. You gain and lose a great deal of height in a short time. The program description calls for the summit, lake, hot springs, and opposite crater rim in one long second day. A fit person still needs to take that seriously.

One important warning comes from the trek conditions described by past participants. Parts of the trail were still damaged after an earthquake, and one group found a section after the hot springs dangerous at night. The exact trail condition can change, so ask the operator about current route conditions before departure. Proper hiking shoes are not optional here.

Day one: Sembalun’s grassland to the crater rim

If you stay in Senaru, pickup is scheduled around 7 a.m., followed by a 4WD transfer to Sembalun. If you stay in Sembalun, pickup is listed around 8:30 a.m. The group registers at the Rinjani Trek Centre in Sembalun, at about 1,156 meters.

The first part of the walk crosses open grassland. This is a pretty start, with wide views and a sense of space, but you will not have much protection from sun or weather. Carry your water where you can reach it and use sunscreen early.

The path passes Pos 1 and Pos 2, where you stop for short rests and snacks. At Pos 3, around 1,800 meters, you take a longer lunch break. These rest posts help divide a long day into manageable pieces, though the final push remains steep.

After lunch, the trail climbs hard toward the Sembalun Crater Rim. You finish at about 2,639 meters and camp with views toward Segara Anak Lake, the summit, and northern Lombok. Sunset is one of the best parts of the evening. As the light drops, the crater becomes easier to understand as a huge volcanic bowl rather than just a distant view.

The camp equipment is carried by porters, who also handle cooking. That support matters. You still carry your personal clothes, water, camera, and other items, but you do not need to carry the tent, cooking gear, or food supplies.

The included food is more generous than I would expect from a basic mountain package. Meals described for the trek include fried rice, curry, noodles, pancakes, vegetables, and fresh fruit. One participant gave particular praise to the cooking under difficult mountain conditions. Do not expect restaurant service, but warm food and a proper meal can make a major difference after the first climb.

Day two: a 3 a.m. summit start

The second day begins at about 3 a.m. with a light breakfast. The goal is the 3,726-meter summit in time for sunrise.

The summit path is the hardest part of the climb. It is steep, rocky, and physically draining, especially after the previous day. Your guide will set the pace, but the final ascent can still feel like a slow battle with loose ground and tired legs. Gloves are useful, and warm layers are essential because the early morning is cold.

At the top, the reward is the sunrise and wide views across the crater, lake, Lombok, Bali, and the Gili Islands when the weather cooperates. This is the high point of the trek in every sense. I would treat the summit as a goal, not a promise. One participant and her daughter stopped short of the top because the climb was too demanding, yet still described the trip as a wonderful memory.

After returning to the first camp, you have a hot breakfast and a rest. This pause is welcome, but it does not end the day. You then descend into the crater toward Segara Anak Lake.

Segara Anak Lake and the hot springs

The descent to the lake takes you into a very different part of Rinjani. The air, views, and vegetation change as the trail drops from the exposed rim. Lunch is served beside Segara Anak Lake at around 2,000 meters.

The lake is the visual center of the crater, with the volcanic cone of Gunung Baru rising within it. Its setting makes the stop feel special, but you should not mistake this section for an easy break. Descending steep, rocky ground after a summit attempt puts plenty of strain on your knees.

The hot springs offer a chance to soak for a few minutes and wash away some of the dust and fatigue. This is a valuable pause, but it is brief. The route still requires you to climb out of the crater afterward.

The hot springs also create a timing issue. If you spend too long there, you may face the next difficult section after dark. One group found a damaged part of the trail unsafe when walking at night. You should listen closely to your guide, keep your headlamp ready, and ask how much daylight remains before stopping for the springs.

The climb to Senaru Crater Rim

After the lake and hot springs, the trail follows the lakeshore before climbing steeply toward the Senaru Crater Rim. This section passes through thicker forest and can feel rough after the summit and lake descent.

The final camp sits at about 2,641 meters. From the rim, you look back across Segara Anak toward the summit and Gunung Baru. On clear days, Mount Agung in Bali and the Gili Islands appear in the distance.

The rim is a superb place for sunset. It also offers a different view from the Sembalun camp, which is why this route feels fuller than a one-way summit trip. You see the crater from two sides, at two different times of day.

Still, the schedule is demanding. One past participant estimated more than seven hours of walking after reaching the summit before arriving at the second camp. Another described the full trek as the hardest hike she had attempted. Those comments match the route itself: you are not simply completing a summit climb, you are crossing the volcanic crater.

Day three: four to five hours down to Senaru

After breakfast, you descend toward Senaru. The route uses Pos 3, Pos 2, and Pos 1 as rest points, with a longer lunch break along the way.

The forest becomes thicker and greener as you lose altitude. This is a welcome change after the exposed rock, grassland, and crater slopes. The stated arrival time is around 1 p.m. in Senaru, though mountain schedules can shift with weather, pace, and group condition.

The final descent may be easier on your lungs than the summit climb, but it can be rough on your knees. Trekking poles are included, and I would use them from the first day rather than saving them for the descent.

At Senaru, the operator provides drop-off to Senggigi, Bangsal Port, and Mataram. That is useful if you are continuing to a hotel or ferry connection, but allow some flexibility after the trek. You may arrive tired and later than planned.

How hard is the three-day program?

This is the main decision point. The route is suitable for people who already handle long, steep hikes and who are comfortable with early starts, cold nights, basic camping, and rough ground.

It is not suitable for young children under four, and the practical age limit is higher than that. The operator specifically excludes children under four, but the physical demands mean you should judge older children and teenagers by their actual hiking ability, not age alone.

Even fit people may find the schedule exhausting. A participant described the 3-day, 2-night format as too hard, noting that many people choose a shorter two-day program instead. Another person in the group could not complete the summit. That is not failure. On a mountain like Rinjani, turning back can be the sensible choice.

The combination of summit, lake, hot springs, and second rim is the reason to choose this route. It is also the reason it hurts. If your priority is only the summit sunrise, a shorter route may suit you better. If you want to see all sides of the mountain, accept that the second day will be a major test.

What the $154 price includes

At $154 per person, the package covers a substantial amount:

• Hotel pickup in Senaru or Sembalun
• Trekking guide and English-speaking guide
• Professional porters
• Cooking and camping equipment
• Food and drinking water
• Two liters of mineral water per person per day
• Tent, toilet tent, toilet paper, sleeping bag, and mattress
• Trekking pole
• Headlamp or hand torch
• Two lunches
• Three dinners
• Two breakfasts
• Drop-off to Senggigi, Bangsal Port, or Mataram

The porters are important to the value. They carry the camping and cooking equipment, allowing you to focus on your own pack and the climb. The included meals also reduce the amount of planning you need before departure.

The national park entrance fee is not included. It is listed as IDR 250,000 per person per day, so ask the operator to confirm the exact amount due for this three-day program. Raincoats and trekking shoes are also excluded. You need to budget for those rather than assuming the price covers every essential.

The booking terms are flexible, with cancellation up to 24 hours in advance for a full refund and a reserve-now, pay-later option. Pickup requires you to wait in your hotel lobby.

What to pack for cold, wet, steep conditions

Use the provided packing list seriously. I would prioritize these items:

• Hiking shoes with a firm grip
• Warm jacket, gloves, hat, and long pants
• Sunscreen, sunglasses, and a hat
• Raincoat
• Flashlight or headlamp, plus spare power
• Towel and sandals for the hot springs
• Camera and binoculars if you want distant views
• Cash for expenses not covered
• Power bank
• Passport

Thermal pants and a thermal shirt are especially useful. One participant said she slept fully dressed inside the sleeping bag and found gloves and a wool hat essential. That is practical advice, not overpacking.

Keep your personal bag light, but do not cut the warm clothing. Rinjani can feel hot in the sun and cold at the crater camps. You need both sets of clothing in the same trip.

Guide support and group size

The experience is available privately or in a small group. A 12-person group was supported by two guides and five porters, with guide Agus receiving particular praise for helping people through difficult moments.

That ratio of guides and porters can make a real difference on a hard route. Guides can help manage pace, route choices, and difficult sections, while porters handle the shared equipment and cooking. You should still ask before booking how many people will be in your group and how many guides will accompany it.

The permit situation may also affect the route. The program normally starts at Sembalun and ends at Senaru, but the operator notes that the direction can change if permits for the Sembalun gate are full. Confirm your start gate before the trek, since it affects the whole schedule.

Should you book this Rinjani trek?

Book it if you want the fullest three-day Rinjani route and you are prepared for a serious mountain challenge. The summit sunrise, Segara Anak Lake, hot springs, two crater rims, forest, Bali views, and Gili Islands make this a memorable program with strong value at $154 before park fees.

Think twice if you dislike steep descents, cold camping, early starts, or long days. The second day is especially demanding, and the hot springs do not turn it into a relaxed holiday. Ask about current trail damage, confirm the starting gate, and bring proper hiking shoes, warm layers, gloves, rain protection, and a headlamp.

For strong hikers who want more than a summit photograph, I would choose this route. For anyone unsure about fitness, choose a shorter option or discuss a modified plan with the operator before paying.

FAQ

How long is the Mount Rinjani trek?

The trek lasts three days and two nights.

Where does the trek start and finish?

The planned route starts at the Sembalun trekking gate and finishes at the Senaru gate. The starting direction may change if permits at Sembalun are full.

What time does the summit climb begin?

You wake around 3 a.m. for a light breakfast and begin the summit climb afterward.

What height does the summit reach?

The summit of Mount Rinjani is listed at 3,726 meters.

Are meals included?

Yes. The package includes two lunches, three dinners, and two breakfasts. Food described for the trek includes rice, curry, noodles, pancakes, vegetables, and fresh fruit.

Is drinking water included?

Yes. The package includes two liters of mineral water per person per day.

Are trekking shoes and raincoats provided?

No. You need to bring your own hiking shoes and raincoat.

Is the national park entrance fee included?

No. The entrance fee is listed separately at IDR 250,000 per person per day.