
Sauna at Kolpa - Laze pri Predgradu
Private self-service sauna by the Kolpa river
Onni is not just a sauna, it is an experience - a place where you connect with yourself, your loved ones and nature. In this idyllic setting of the Kolpa river, get away from the hustle and bustle of everyday life and treat yourself to a moment of complete happiness.

What you need to know about the sauna
-
OPENING HOURS: 06:00 - 22:30
-
DURATION OF APPOINTMENT: 1h 30min, the entire sauna is booked, not per person
-
CAPACITY: up to 4 people at a time
-
The sauna is divided into two parts:
-
Anteroom where you change clothes and store personal belongings
-
Sauna with stove and benches
-
-
OPERATION SEASON: May - October
-
SAUNA LOCATION: Kolparaft Skender, Laze pri Predgradu 1a, 8342 Stari trg ob Kolpi (Google Maps >>)


BEFORE THE VISIT
BOOK A SESSION
Check the slots availability via the website https://www.onni.si/en/booking-calendar/savna-kolpa-laze-pri-predgradu and book the date, time and length of the sauna session.
You can book the sauna at least one hour before your visit.
With one appointment, you reserve the entire sauna, which can accommodate up to 4 people.
One appointment lasts 1.5 hours.
After successful booking and payment, you will receive a sauna entry code to your email address on the day of your appointment.
If you have any questions regarding your reservation or payment, you can contact us at any time at +386 30 480 128 (also WhatsApp) or send an email to: info@onni.si.
ENTRY CODE
After making a reservation and payment, you will receive an email message with a sauna entry code on the day of your appointment. The code opens a digital safe next to the sauna entrance, where the key to the front door is located.
PREPARATION FOR SAUNA AND EQUIPMENT
Before using the sauna, take a shower and prepare 2 towels (one for wiping, the other for sitting in the sauna), swimsuit, flip-flops and water. We also recommend using a bathrobe.
UPON ARRIVAL
ACCESSIBILITY
The sauna is located in resort Kolparaft Skender, Laze pri predgradu 1a, 8342 Stari trg ob Kolpi (Google Maps >>).
ENTER THE SAUNA
Please arrive at the location on time.
Use the code that you received via email on the day of your appointment to open the digital lock next to the sauna entrance. The safe contains the key that you use to unlock the front door to the sauna.
Instructions for using the digital safe:
-
Activate the keypad by touching the lock icon
-
Enter the code and press the lock icon
-
Open the safe by pulling the "tabs" on the hardware towards you.
-
Inside are the keys that unlock the door to the sauna.
-
Close the safe.
Enter the changing room, where you change and put down your clothes and personal belongings, and calm down.
DURING THE VISIT
SAUNA TREATMENT
The sauna will be heated to 70–80°C upon arrival. Using a towel to sit or lie on the bench is mandatory. You can be naked or in a swimsuit in the sauna. Adjust the length of the sauna session to your comfort level.
Drink enough fluids to replace what is lost through sweating.
Occasionally pour one or two scoops of water from a wooden jug onto the stove to maintain humidity in the air.
COOLING DOWN
It is important to take breaks to cool down. Cool down outside in the open air or in the shower located next to the sauna. Outside the sauna, it is mandatory to use a swimsuit/towel. Repeat the sauna and cooling down process several times.
TOILET
The building where toilets and showers are available is located near the sauna.
AFTER THE SAUNA SESSION
CLEANING
We ask you to mop the floor after use and wipe the benches with disposable wipes. All necessary supplies are available in the lobby. Please note that the sauna is self-service and will be used by people after you, so clean up after yourself. The next group will be grateful!
The sauna is thoroughly cleaned every day.
DEPARTURE
Lock the door and return the key to the digital safe next to the entrance. To open the safe, re-enter the access code and press the lock icon. Return the keys to the safe and close it, the safe will automatically lock.
Leave the sauna on time, within your appointment. This way, the next group can also start at the booked appointment.
Enjoy the rest of your day :)
You are invited to share your sauna experience on our Instagram or Facebook profile!
Sauna use procedure





