Soaking at Altyn Arashan: radon and sulphur pools, etiquette

The hot springs are the reason the valley has guesthouses, a road of sorts and a steady stream of visitors. This guide explains what to expect when you get there.

Prices, the free river pools and how to fit a soak into a day are summed up on Altyn Arashan hot springs. Here is the detail.

What the springs are

Altyn Arashan sits in a protected area that has existed since 1963. Several mineral springs come out of the ground near the river. Two types are usually described:

• Radon spring: about 35 °C.
• Hydrogen sulphide spring: about 41 °C.

These figures come from the Kyrgyz travel portal too.kg. The water is piped into small concrete pools inside wooden or stone bath houses near the guesthouses. Some bath houses have private cabins with a single pool. Do not expect a spa: these are simple, functional rooms with hot water.

The valley sits at around 2,500–2,600 m. Published altitudes range from 2,350 m to 3,000 m, which tells you how loosely the area is mapped. Either way, it is high enough that hot water affects you faster than at sea level.

How the bath houses work

• Bath houses stand next to the guesthouses and camps on the valley floor.
• You pay per session or per hour. Plan on about 250 som. Older reports quote 50–200 som; the price depends on the bath house and the year.
• One travel portal notes that guests staying overnight may bathe free. Ask when you book a room.
• Many bath houses are small cabins with one concrete pool. You take a cabin for a set time, close the door and soak.

Pay in cash. There is no ATM and no mobile signal in the valley.

Are there free springs?

There are natural hot pools in the valley outside the bath houses. They take some walking and local knowledge to find, and their state changes from year to year. We cover them on our free hot springs page. If you only have a day, the bath houses are the easier choice.

How long to soak

There are no official rules. Common sense at altitude:

• Start with 15–20 minutes, then get out and cool down.
• Drink water before and after.
• Do not soak straight after a heavy meal or alcohol.
• Leave immediately if you feel dizzy, short of breath or your heart races.
• If you have heart problems, high blood pressure or are pregnant, ask a doctor before using hot mineral water.

Soak after your walk, not before. Hot water makes your legs heavy.

Etiquette

• Shower or rinse first if there is a tap.
• Swimwear is normal. Some private cabins are used without it; follow what the bath house expects.
• No soap or shampoo in the pools.
• Keep to your time. Other people are waiting for the cabin.
• Leave nothing behind. Take bottles and wrappers back down.
• Keep your voice down. Many guests come for quiet.

How to fit the springs into a day

The shared 4x4 from Karakol reaches the valley around 10:30 and leaves at 16:00. That gives about five hours. A good split is a walk up the valley first, lunch, then an hour in the springs. See our day trip plan for a timed version.

1. 07:50
   Meet at Giraffe Coffee

   Zhusaeva St, central Karakol

2. 08:00
   Depart

   16 km of riverbed track with fords, 2–2.5 hours

3. ~10:30
   In the valley, about 5 hours

   Hot springs, walks, lunch at a guesthouse. The driver waits.

4. 16:00
   Back down
5. ~18:00
   Karakol

Getting there

The springs are about 12–15 km above the village of Ak-Suu, which is about 10 km east of Karakol. Only 4x4 vehicles can drive the track; it takes about two hours. On foot, plan 5–6 hours uphill.

Ways up:

• Shared 4x4 seat: 3,750 som return, with the driver waiting about five hours; 2,750 som one way. Meet at 07:50, leave at 08:00 from Giraffe Coffee, Zhusaeva St, central Karakol.
• Private UAZ: 25,000 som for up to 4 people, 31,000 som for up to 8.
• Walk from Ak-Suu.

Licensed carriers do the driving; Arashan Transfer is the booking agent.

Karakol ⇄ Altyn Arashan

A seat in a 4×4, round trip. The driver waits.

• Out08:00
• Back16:00

3 750 somper seat, round trip

Pick a date

Book a seat

What to bring

• Swimwear, a quick-dry towel and sandals.
• A warm layer for after the bath. Even in summer the valley gets cold quickly when clouds come in.
• A plastic bag for wet clothes.
• Drinking water.
• Cash in som for the park fee (about 300 som), the bath house and lunch.
• Passport for the park gate.

Staying overnight

The springs are at their best in the evening and early morning, when day visitors have left. If you want that, book a one-way seat up (2,750 som), stay at a guesthouse, and ride or walk down the next day. Several guesthouses operate in the valley; check current prices directly with them.

Winter

Soaking in hot water with snow around is a big draw, especially for skiers in Karakol. But the track is harder in winter and may close after snowfall. Check our road status page before planning a winter trip.

Common questions at the bath house

Can children use the pools? Many families bring children. Keep their sessions shorter than yours, and test the temperature first: the hotter spring is around 41 °C.

Is the water drinkable? Do not drink spring water or river water untreated. Bring your own drinking water.

Is there a changing room? Cabins are private, so you change inside. Bring a bag to keep your clothes dry on a wet floor.

Can I bathe in the rain? Yes, and it is one of the best times. Have dry, warm clothes ready for afterwards, because you cool down fast at this altitude.

What does the water smell like? The hydrogen sulphide spring smells faintly of eggs. It washes off.

Summary

Expect simple bath houses with mineral water at roughly 35–41 °C, about 250 som per session, cash only. Keep sessions short at altitude and soak after you walk. The easiest way to get there and back in a day is a shared 4x4 seat. See how to get to Altyn Arashan for all options, or book on the day trip page.