Is the Mount Batur Hot Spring Add-On Worth It? An Honest Review
When you reach the checkout page for our sunrise trek, there is one optional box you can tick: “Add Natural Hot Spring — IDR 100K.” It sounds nice in theory. Soaking in volcanic water while looking at a lake after a hike? Yes, please. But is it actually worth the extra money, or is it just a tourist trap with lukewarm water and crowded changing rooms?
Here is the honest statistic: 85% of our guests choose to add the hot spring on the day of the trek, even if they skipped it at booking. That tells you something. This isn’t a luxury 5-star spa experience; it is a rugged, natural, volcanic reward that hits different when your legs are shaking from a 1,717-meter descent. Here is the unvarnished truth about the Toya Bungkah hot springs so you can decide whether to tick that box or skip straight to the car. Ready to plan your morning? Book your Mount Batur sunrise trek with the hot spring add-on and let’s break down the experience.
What Exactly Are You Paying For?
The IDR 100K add-on covers three things that are technically “extras” if you try to arrange them yourself:
- Entrance Ticket: Access to the Toya Bungkah hot spring complex (usually IDR 150K for walk-ins, but included in our negotiated rate).
- Towel Rental: A large, clean towel provided at the reception desk.
- Logistics: Your driver takes you directly to the springs after the trek (a 15-minute drive from the trailhead) and waits for you. If you skip this, the driver takes you straight back to the hotel, and getting to the springs later requires hiring a separate taxi or scooter.
The springs themselves are located in the Bangli Regency, right on the shores of Lake Batur. The water is naturally heated by geothermal activity from the volcano — not a boiler — and is rich in sulfur and minerals. It smells faintly of eggs (that’s the sulfur), but the heat penetrates deep into tired muscles.
The Experience: What It Feels Like
After 2 hours of hiking up and 1.5 hours of sliding down loose gravel, your calves are tight, your knees are dusty, and your core temperature is dropping from sweat. You arrive at the springs around 09:00 AM.
You change in basic concrete changing rooms (bring a plastic bag for your sweaty hiking clothes). Then you step into the pools. There are several pools of varying temperatures, from “warm bath” to “hot tub.” Most trekkers aim for the hottest pool and sit on the submerged rocks for 20–30 minutes, watching the mist rise off Lake Batur.
Is it fancy? No. It is a local tourist spot. There are other travelers there. The facilities are functional, not luxurious. If you expect a Four Seasons infinity pool, you will be disappointed. If you expect a volcanic soak that makes your legs feel human again before the long drive back to Canggu or Ubud, it is perfect.
Who Should Skip It?
Even though 85% of guests love it, the hot spring is not for everyone. Skip the add-on if:
- You have a tight flight: If your flight leaves at 14:00 or earlier, the extra hour at the springs (09:00–10:00) plus the drive back (1.5–2.5 hours) cuts it very close to airport check-in deadlines. Check our airport transit guide for exact buffer times.
- You are staying in Uluwatu/Nusa Dua: The drive back from the springs to the Bukit Peninsula is nearly 3 hours. Adding an hour soak means you arrive home at 13:00 instead of 12:00, eating into your nap time.
- You hate communal pools: This is a public (though well-maintained) facility. If you prefer private villa pools, skip it.
- You are doing the Jeep Tour: Jeep guests often finish earlier (around 08:30) and might prefer a nice breakfast cafe in Kintamani with a lake view instead of a soak. But the add-on is still available for jeep guests if you want it.
Who Should Definitely Do It?
Tick the box if:
- You are a side-sleeper with bad knees: The descent from Batur is notorious for “volcano knee” (impact on loose gravel). The hot sulfur water is legitimately therapeutic for joint stiffness.
- You are trekking in wet season: If it drizzled on the way down and you are cold and damp, the hot spring is the fastest way to warm your core temperature back up before the AC in the car.
- You want to maximize the “day trip” feel: Hike + Breakfast + Hot Spring + Coffee Plantation = a full, rich morning that feels like you conquered Bali before noon.
For the full timeline of how the hot spring fits into the morning flow (usually 09:00–10:00), see the hourly breakdown in our complete Mount Batur trekking guide.
Frequently Asked Questions
Is the water clean?
Yes, the water is continuously flowing from the earth (geothermal), so it is constantly refreshed. The pools are cleaned daily. It is not chlorinated swimming pool water; it is mineral-rich volcanic water.
Do I need to bring my own swimsuit?
Yes. Wear it under your hiking clothes or pack it in your small daypack. The changing rooms are gender-separated but basic.
Can I decide on the day instead of booking?
Technically yes, you can pay the IDR 150K walk-in fee directly at the gate. But booking the IDR 100K add-on with us saves you IDR 50K and ensures the driver knows exactly where to drop you without confusion. Add the hot spring to your booking here.
Is it safe for kids?
Yes, there are shallow areas for kids to splash. Just watch them closely as some pools are quite hot. It is a great way to tire them out again before the car ride home.
The Verdict: Worth the IDR 100K?
Yes. For the price of two beers in a Seminyak beach club, you get an hour of volcanic therapy with a view of the lake you just hiked above. It transforms the post-trek fatigue into a deep, satisfying relaxation. Unless you are sprinting to the airport, I almost always recommend it.
Book your sunrise trek now and make sure to tick that box at checkout. Your legs will thank you at 10:00 AM.