### **Hot Springs at Mount Rinjani (Aik Kalak Hot Springs)**
One of the best rewards of trekking Mount Rinjani is the **natural hot springs near Segara Anak Lake**, known as **Aik Kalak Hot Springs**. These geothermal springs are heated by volcanic activity beneath Rinjani and are considered sacred by the local Sasak people.
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## **1. Where Are the Hot Springs Located?**
The hot springs are located near **Segara Anak Crater Lake**, at around **2,000 meters above sea level**. They are only accessible by foot, usually on a **3-day or 4-day trek** via the **Sembalun or Senaru routes**.
- **From Segara Anak Lake:** ~10–15 minutes walk
- **From the crater rim:** ~1–2 hours descent
- **From the summit:** ~5–7 hours descent
After a long day of hiking, soaking in the warm, mineral-rich waters is a **perfect way to relax and recover**.
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## **2. Why Are the Hot Springs Special?**
✔️ **Natural Healing Properties** – The hot spring water is rich in **minerals like sulfur**, believed to have healing effects for **skin conditions, muscle pain, and fatigue**.
✔️ **Sacred to the Locals** – The Sasak and Balinese Hindu communities **perform rituals and purification ceremonies** here, believing the waters bring blessings and good health.
✔️ **Relaxation & Recovery** – After the tough climb to the summit or the long descent, a warm soak helps **relieve sore muscles** and refresh your body before continuing the trek.
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## **3. How Hot Is the Water?**
The temperature varies, but some pools can be **very hot**, around **40–50°C (104–122°F)**. There are several pools with different temperatures, so you can choose one that feels comfortable.
⚠️ **Tip:** If the water feels too hot, slowly ease in instead of jumping in right away.
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## **4. How to Visit the Hot Springs?**
- **Most 3D2N or 4D3N trekking packages include a stop** at the hot springs.
- If you take the **2D1N trek**, you will **not have enough time** to visit the hot springs.
- The best way to enjoy them is on a **3D2N trek**, where you can spend **more time at the crater lake** before continuing your journey.
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## **5. Tips for Enjoying the Hot Springs**
✔️ **Bring a swimsuit** – You’ll want to take a dip!
✔️ **Carry a towel & dry clothes** – You’ll need them after soaking.
✔️ **Be respectful** – The hot springs are sacred, so avoid using soap or shampoo.
✔️ **Don’t stay too long** – Limit your soak to 15–20 minutes to avoid dehydration.
✔️ **Visit in the morning or afternoon** – The springs can get crowded in peak trekking season.
Soaking in the **Aik Kalak Hot Springs** is a **must-do** when trekking Mount Rinjani. It’s the perfect way to **relax, refresh, and experience the natural beauty** of Lombok’s most famous volcano.
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