The heart of Sipoonjoki is its traditional smoke sauna, a subterranean structure built directly into the earth in a quiet, forested part of the Sipoonjoki river valley. You get to it via a long wooden terrace path that winds through the trees, connecting the main sauna area with a separate log cabin that houses modern showers and changing rooms. The whole setup is designed to feel immersed in the surrounding nature.
Inside the smoke sauna itself, the space is intentionally dark and atmospheric. The log walls are blackened from the traditional heating method – a process that takes hours before the smoke is aired out, leaving behind a soft, mellow, and humid heat known as `löyly`. The atmosphere is calm and quiet, with some public sessions designated for complete silence.
The bathing ritual moves between the intense heat of the sauna and the outdoor tubs. There’s a cold plunge pool for contrast therapy and a warm soaking tub with open views of the river valley. For a more structured experience, trained sauna therapists (`saunottaja`) lead traditional `perinnesaunotus` ceremonies. These guided sessions incorporate old rituals like sauna spells, brushing the skin with various birch whisks (`vihdonta`), and applying treatments like herbal salt scrubs, honey masks, or peat.
Between sauna rounds, a lean-to shelter – or `laavu` – has a fire pit that’s typically used for grilling sausages. The facility hosts a mix of public and private sessions, and it’s worth noting that parking is limited and the property uses a dry toilet.