Few travel experiences provoke as many practical questions as a Finnish sauna. Do you wear a swimsuit? Are you expected to talk? How hot is too hot? Is the hole in the ice compulsory?
The reassuring answer from Finland-based writer Tim Bird is that sauna is not rocket science. It has customs, but the point is to feel comfortable, warm up and slow down.
Sauna is ordinary life
In Finland, sauna is not confined to spas or luxury hotels. It appears in homes, apartment buildings, workplaces, summer cottages and public venues. The most evocative version is often a wood-fired sauna beside a lake or the sea, where steps lead from the hot room to a jetty.
This everyday significance helped Finnish sauna culture gain recognition on UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity. The heritage is not a particular building. It is the knowledge, customs and social practice surrounding sauna.
What should you wear?
The rules depend on the setting. In a mixed public sauna, swimwear may be required or customary. Some venues divide sessions by gender; others provide clear instructions about nudity, towels and bathing clothes.
Among families or close friends, particularly in single-sex groups, nudity is normal. It is not intended to be sexual or performative. If uncertain, follow the venue’s published guidance or ask. Finns would generally prefer a simple question to a visitor sitting in terror beneath a towel.
Always sit on a small towel or disposable seat cover where one is provided.
Understand löyly
The heart of sauna is löyly, the steam and sensation created when water is thrown onto heated stones. It briefly intensifies the heat and changes how the room feels.
There is no prize for enduring the highest bench for the longest time. Sit lower if you want less heat, leave when you need to and cool down between rounds. Alcohol and extreme heat are a poor combination, and anyone with relevant health concerns should seek appropriate medical advice before using a sauna.
Must you swim afterwards?
No. Cooling down may mean sitting outside, taking a shower or entering the lake. In winter, enthusiasts may swim through a prepared hole in the ice before returning to the heat.
Tim describes winter swimming as more invigorating than it sounds, although that is not quite the same as saying it sounds inviting. Never enter unfamiliar water alone, use only maintained access points in winter and follow local safety guidance.
Conversation is optional
Some saunas are sociable; others are quiet. At a cottage with friends, conversation may continue between rounds. In a public sauna, take your cue from the room. The atmosphere is usually informal, but respect for other bathers matters more than filling every silence.
Phones and photography should stay outside unless a venue explicitly permits them. The sauna is one place where nobody needs to become part of somebody else’s travel content.
A simple first sauna
- Shower before entering.
- Bring water and a towel.
- Sit lower at first and allow your body to adjust.
- Ask before adding water to the stones in a shared sauna.
- Leave when you feel ready, cool down and repeat only if comfortable.
- Shower again afterwards and rehydrate.
The ritual becomes memorable because it is simple: heat, steam, cool air, water and time. A lakeside setting makes it cinematic, but the real Finnish lesson is less dramatic. Stop striving for the correct performance and pay attention to how the experience feels.
Listen: Tim Bird discusses sauna, ice swimming and Finnish life in Finland Unlocked. https://player.captivate.fm/episode/f4ee6bda-8af7-432a-88a7-398762025f87/
Continue exploring Finland
Listen to the Finland episode with Tim Bird, visit the Finland destination guide, and explore our other Finland travel guides.