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

Mount Rinjani’s great trick is making you work for nearly every view. Over three days, you cross open grassland, climb to the 3,726-meter summit before sunrise, drop into the crater, reach Segara Anak Lake, and climb back out to another rim. It is a huge route with big rewards.

I like the Sembalun grassland approach, which gives you wide views from the first morning, and I like the hot springs beside Segara Anak Lake, a welcome pause after the summit climb. The porters also prepare full meals, including rice dishes, noodles, curry, vegetables, fruit, and pancakes.

The catch is simple: this is a very hard trek. The summit morning is only part of the challenge, since you still have a steep descent to the lake and another climb to Senaru Crater Rim. Some fit people may find the 3-day route too much, especially if the trail is rough or you are carrying poor footwear.

Key points to know before you book

• Summit sunrise begins around 3 a.m., after a night camping at Sembalun Crater Rim.
• The route covers both sides of Rinjani, starting at Sembalun and ending at Senaru when permits allow.
• Segara Anak Lake and its hot springs come after the summit, not before it, so the day remains demanding.
• Camping equipment, meals, porters, water, and a guide are included, which makes the $154 price useful for a supported trek.
• The trail can be dangerous in poor conditions, particularly on steep, rocky sections after the hot springs.
• Proper hiking shoes, warm layers, gloves, and a headlamp are essential, not optional extras.

What the three-day Rinjani route really asks of you

I would choose this trek for the full mountain story, not for an easy summit walk. You see Rinjani from several angles, pass from dry open slopes into tropical forest, and sleep beside two different crater rims. That variety is the main reason to choose three days instead of a shorter summit trip.

The route is also physically uneven. Day one is a long uphill walk, day two is an extremely long mountain day, and day three is a steady descent through forest. The second day is the test. You rise at about 3 a.m., climb to the summit for sunrise, return to camp, descend to the lake, cross more rough ground, and climb out of the crater.

At the advertised price of $154 per person, the package offers solid value if you want support. You receive an English-speaking guide, porters, meals, drinking water, camping equipment, sleeping bags, mattresses, a toilet tent, trekking poles, a headlamp, hotel pickup, and transport after the trek to places such as Senggigi, Bangsal Port, or Mataram.

You still pay the national park entrance fee separately, listed as IDR 250,000 per person per day. You also need to bring or arrange your own raincoat and trekking shoes. Those exclusions matter because rain and slippery ground can change the feel of the entire route.

From Sembalun village to the open grassland

Pickup is around 7 a.m. from Senaru, with an earlier transfer by 4WD vehicle to the Sembalun trailhead. If you stay in Sembalun, pickup is listed for about 8:30 a.m. The group registers at the Rinjani Trek Centre before walking.

Sembalun gives you a wide, open start. The trail crosses rolling grassland rather than thick forest, so you get broad views and plenty of sun. I like this opening because it lets you see the scale of the mountain before the trail turns steep.

You pass the rest points known as Pos 1 and Pos 2, stopping for short breaks and snacks. At Pos 3, around 1,800 meters, you take a longer break for lunch. From there, the climb to the crater rim becomes much steeper.

This part can feel exposed. There is less shade than on the Senaru side, and the route rises steadily toward camp. Start with enough water, use sunscreen, and keep your hat handy. The package provides two liters of mineral water per person per day, but you should still manage your supply carefully during the hot, open section.

Sunset at Sembalun Crater Rim

The first night is spent at Sembalun Crater Rim, around 2,639 meters. This is where the effort begins to pay back. From camp, you can look toward the summit, Lake Segara Anak, and northern Lombok.

Sunset is one of the best parts of the first day because you are already in position for the early summit start. You do not need to make another long climb after dark. You eat dinner, organize your warm clothing, and try to sleep before the alarm.

Do not expect a soft night. It can be cold at this height, and you may sleep in several layers inside the provided sleeping bag. Bring thermal clothing, a warm jacket, gloves, and a hat. One person on the trek found that sleeping fully dressed was necessary, which is useful advice for anyone who tends to pack lightly.

The campsite uses a toilet tent. This is basic mountain camping, not a lodge with facilities. The porters carry the cooking gear and camping equipment, then prepare the meals in difficult conditions. The food can include fried rice, curry, noodles, fresh vegetables, fruit, and pancakes, a welcome change from basic snacks.

The 3,726-meter summit before sunrise

The summit push starts at about 3 a.m. after a light breakfast. The climb takes roughly three hours, though your time depends on your pace and the condition of the trail.

This is the hardest section for many people. You climb in darkness with a headlamp, often on loose and steep ground. A trekking pole helps with balance, and gloves protect your hands if you need to steady yourself. Your guide should help set a safe pace, but you still need to judge your own limits.

The reward is sunrise from 3,726 meters. From the top, you can see the crater, the lake, the surrounding highlands, Mount Agung on Bali, and, in clear conditions, the Gili Islands. The view is the reason many people accept the uncomfortable start and the slow uphill work.

The summit is not a place to linger without warm clothing. Wind and cold can be severe, and your body will cool quickly after the climb. Keep a jacket and gloves in an easy-to-reach part of your pack instead of burying them under spare clothes.

The return to camp is easier in terms of navigation because daylight shows the trail, but it is still hard on tired legs. You return for a hot breakfast and a rest before beginning the descent into the crater.

Segara Anak Lake and the hot springs

From Sembalun Crater Rim, the route drops toward Segara Anak Lake at roughly 2,000 meters. This is a major change in scenery. The open upper slopes give way to rough volcanic ground, and the lake appears inside the broad crater.

Lunch is served near the shore. The hot springs offer a few minutes of relief after the summit climb, and this is one of the most memorable parts of the route. I would not treat the springs as a long spa break, though. The schedule still includes a difficult climb later in the day.

After the lake, the route follows the shore before climbing toward Senaru Crater Rim. This section is steep and rocky, with dense forest in places. It is also where the day can become overwhelming. You have already climbed to the summit, descended to the lake, and now must gain height again.

Trail conditions matter here. A damaged or rough section can make the route slow and unsafe, especially after dark. One group had to move through a risky section at night after the hot springs because a member lacked proper hiking shoes and was walking slowly. That is a strong reason to wear real hiking shoes with good grip and to keep the group’s pace realistic.

A second camp at Senaru Crater Rim

The second night is at Senaru Crater Rim, around 2,641 meters. You reach camp tired, but the setting is special. From this side, you look back across Segara Anak Lake toward Rinjani’s summit and the small volcanic cone called Gunung Baru inside the crater.

The rim also gives views toward Mount Agung in Bali and the Gili Islands. Sunset and sunrise can both be impressive from here, depending on cloud cover. The first rim feels like a launch point for the summit; the second feels like a quiet place to look back at the route you have crossed.

Dinner is followed by another cold night. Keep your headlamp, water, jacket, and warm layers close to your sleeping bag. Packing these items deep inside your bag creates unnecessary trouble when you are tired.

The long descent to Senaru

After breakfast, you descend through the forest toward Senaru. The route passes Pos 3, Pos 2, and Pos 1, with rest stops along the way. Lunch is taken during the descent, and the trail becomes thicker and more tropical as you lose height.

The final walk takes about four to five hours, with arrival in Senaru around 1 p.m. Descending is less demanding on your lungs than climbing, but it can be hard on your knees and feet. Poles are especially useful here.

The forest gives the final day a different mood from the first. You begin with the crater and open mountain views behind you, then finish among thicker greenery. After two nights in a tent, reaching the trailhead can feel like a major achievement, even if your legs disagree.

Is $154 a fair price?

I think the price is reasonable for what is included. A guide and porters provide practical support, carry camping equipment and cooking supplies, and prepare three days of food. Transport to the trailhead and onward drop-off also reduce the number of separate arrangements you need to make.

The package includes two lunches, three dinners, and two breakfasts, along with two liters of water per person per day. It also includes a tent, toilet tent, paper, sleeping bag, mattress, trekking pole, and headlamp or hand torch.

The price does not include the national park fee, raincoat, or hiking shoes. You should budget for those before comparing the total cost with other Rinjani options. A cheap trek becomes less attractive if you need to buy emergency gear at the last minute.

Private and small-group options are available. A smaller group can make it easier to move at a suitable pace, especially on the summit morning. If you join a larger group, ask how many guides and porters will be present and how the pace is managed.

What to pack for comfort and safety

I would pack for cold, sun, rain, and loose ground. Your key items are:

• Hiking shoes with firm grip
• Long hiking pants and a spare pair of warm clothes
• Thermal layers, jacket, gloves, and hat
• Headlamp, even though one is included
• Sunglasses, sunscreen, and a sun hat
• Towel and sandals for the hot springs
• Passport and cash
• Phone or camera with a power bank
• Rain protection
• Trekking poles if you prefer your own equipment

Do not rely on sandals for the trail. They may be useful near the hot springs, but the steep sections call for proper shoes. Binoculars and a camera are optional, but clear weather can make the distant Bali and Gili views worth carrying them.

Who should choose this trek?

I would recommend it to fit hikers who want the summit, lake, hot springs, and both crater rims in one trip. You need to be comfortable with early starts, long uphill sections, rough descents, and basic camping.

I would not choose it for a relaxed introduction to hiking. Children under four are not accepted, and the route is demanding enough that older children or inexperienced hikers should think carefully about the full distance. A person who is fit but unfamiliar with steep volcanic trails may still find day two too exhausting.

The summit is not compulsory if your body says stop. One participant turned back before the top because the climb was too physical, and that was the sensible decision. The mountain will still be there, while forcing the final section can put the rest of the route at risk.

Should you book the 3-day Mount Rinjani trek?

Book it if you want the fullest route and accept that the second day will be punishing. The combination of summit sunrise, Segara Anak Lake, hot springs, two crater rims, Bali views, and the Gili Islands gives you a remarkable range of scenery for $154.

Think twice if you mainly want a summit photo or a short mountain trip. The route after the summit is not a gentle reward. You still have the descent to the lake and the climb to Senaru Crater Rim.

For the best chance of enjoying it, bring serious footwear, warm layers, gloves, a headlamp, and enough patience to move slowly. Ask about current trail conditions and the permitted start and finish gates before paying, since the route may change if the Sembalun gate is full. If you are ready for a hard crossing rather than a casual walk, this trek offers a memorable way to see Rinjani from every side.

FAQ

How long is the Mount Rinjani trek?

The program lasts three days and two nights.

Where does the trek start?

The planned route starts at the Sembalun trekking gate after registration at the Rinjani Trek Centre.

Where does the trek finish?

The planned route finishes at Senaru after the descent from Senaru Crater Rim.

What happens on the first day?

You travel to Sembalun, walk across open grassland, pass Pos 1 and Pos 2, stop for lunch at Pos 3, then climb to Sembalun Crater Rim for the night.

What time does the summit climb start?

The summit climb begins at about 3 a.m. after a light breakfast.

How high is Mount Rinjani’s summit?

The summit is listed at 3,726 meters.

Can I visit Segara Anak Lake and the hot springs?

Yes. The second day includes a descent to Segara Anak Lake, lunch near the shore, and time at the hot springs.

Are meals included?

Yes. The package includes two lunches, three dinners, and two breakfasts, along with drinking water during the trek.

Is camping equipment provided?

Yes. Tents, a toilet tent and paper, sleeping bags, mattresses, trekking poles, and a headlamp or hand torch are included.

What is not included?

The national park entrance fee is separate. You must also provide your own raincoat and trekking shoes.