Thermal Journeys for Success.
Beyond the Sauna and Steam Room: Turning Spa Thermal Areas Into a Guided Thermal Journey!
Most of the spas I have visited have a sauna, a steam room, and a pool.
And I often see this happening: A guest steps into the sauna and stays for two minutes. From there, straight into the steam room for another two. A quick dip of the toes into the cold plunge, if there is one. Eventually, five minutes on a heated lounger. And on the way out, perhaps a run through the experience shower or a pull on the cold-water bucket.
They have tried almost everything. - But have they really experienced a thermal journey?
The guest isn't doing anything wrong. They have simply been given a collection of facilities without being shown how those facilities are meant to work together.
A sauna, a steam room and a pool are not, by themselves, a thermal journey. They are three rooms.
And that distinction matters much earlier than the moment the guest walks through the spa door.
It starts in the concept and in the drawings.
Thermal bathing is one of the oldest wellness rituals we have.
Roman bathing, Finnish sauna, the hammam and Japanese onsen each developed their own rituals, etiquette and relationship with heat, water, cleansing and rest. The experiences are different, but they share something many modern spas have lost: intention.
The rooms served the ritual.
Today, we sometimes do the opposite. We decide that a project needs a sauna, steam room, plunge pool and experience shower, find somewhere to position them on the plan, and consider the thermal offer complete.
But what is the guest actually supposed to do with them?
One of the most effective details I have seen in a spa was also one of the simplest: a thermal journey menu.
Not a price list, but a complimentary guide offered to every guest. It explained where to begin, in which order to move through the experiences, approximately how long to stay and why cooling and rest were part of the journey.
It cost very little to produce. Yet it gave guests something the architecture alone could not: a reason for the order. - Of course, guidance can only do so much. If the facilities were never designed to work together, a menu cannot fix the layout.
That is why a thermal journey begins much earlier.
A good thermal journey has a rhythm: warming, heat, cooling, rest, and, if desired, repeat. The layout should make that rhythm feel natural. The next step should be intuitive and close.
Cold, for example, should sit within easy reach of the heat experience it is intended to complement. A cold plunge, experience shower, ice fountain or cold foot bath positioned beside the sauna encourages guests to cool down. Put it on the other side of a large pool hall and many will simply skip it.
A thermal area can also benefit from a progression of temperatures rather than one single intensity. A gentler warm room, tepidarium, bio sauna or heated stone bench can offer one entry point. A steam room or hammam provides another experience of heat. A traditional Finnish sauna offers greater intensity for guests who enjoy it.
Cooling should offer choices too.
Not everyone wants to step into a cold plunge. An experience shower, cool mist or Kneipp foot bath can provide a more approachable alternative.
But this does not mean every thermal area needs every type of heat and every form of cooling. Quite the opposite. A smaller, well-sequenced thermal journey can deliver far more than a large collection of impressive facilities with no clear relationship to one another.
The starting point should always be: what do we want the guest to experience and feel?
An energizing morning journey may finish differently from an evening experience designed to help someone wind down. A recovery journey after sport will have a different intention again. Once the intention is clear, we can decide which facilities actually support it.
And then there is rest. - It is perhaps the least spectacular part of a thermal area on a drawing, and yet one of the most important parts of the actual experience. If we encourage guests to slow down and rest between rounds of heat and cooling, we need to give them somewhere to do it. This is where thermal design meets capacity economics.
If we create a thermal journey designed to keep a guest in the space for two hours, but calculate capacity as though guests will circulate through it in 45 minutes, the concept and the business model are already working against each other.
Dwell time affects everything: the number of loungers and lockers, robes and towels, laundry volumes, hydration provision, staffing, the ratio of heat cabins to relaxation space and, ultimately, how many guests the area can comfortably accommodate at peak periods.
An undersized relaxation area can quietly undo the whole concept. Guests who cannot find somewhere to rest simply move on.
These conversations belong at concept and feasibility stage, with the design and engineering teams at the table, not once the layout has already been fixed. And operations need a seat at that table too.
Who supervises the thermal area? Where are attendants positioned? How are towels and water replenished? How are wet areas monitored and reset? Can the team guide guests without constantly crossing the guest journey?
A thermal area needs to work as well for the team operating it as it does for the guest experiencing it. Once the space is right, guidance can do its work. A good thermal journey menu doesn't need to be complicated. It needs to answer the questions most guests have but rarely ask.
Where do I start? - How long should I stay? - Then what? - And what is the journey for?
This is where a collection of facilities can become something much more interesting.
The same thermal area can offer different suggested journeys according to the guest's intention: an energizing morning sequence, recovery after exercise, a restorative afternoon circuit or an evening journey that finishes more gently and allows time to wind down. - The facilities haven't changed. But the way the guest experiences them has.
A spa attendant or thermal host who welcomes a first-time guest, explains the journey and checks in during their visit can transform the experience. For many guests, that first conversation is what gives them the confidence to use the facilities properly rather than simply trying each room for a few minutes.
For owners and operators, the value goes beyond guest satisfaction. When guests understand what the thermal area offers and how to experience it, its perceived value changes. Instead of being an amenity guests briefly visit before or after a treatment, it can become an experience in its own right.
That can support day-pass positioning, strengthen a membership proposition and encourage repeat visits. The thermal journey itself can also create additional experiences: a hosted sauna session, a hammam ritual, a guided recovery circuit or a seasonal journey inspired by local traditions, climate or ingredients. This is particularly important when we consider the investment required to build sophisticated thermal facilities.
We spend significant amounts on the architecture, equipment and engineering. Helping guests understand how to experience what we have built can require comparatively little. The education may be complimentary. What it creates is not.
Before the thermal area of a new project is finalized, there are five questions I believe are worth asking:
What should the guest feel when they leave? Energized, restored, relaxed or ready for sleep?
Does the layout make the journey intuitive? Are warmth, heat, cooling and rest connected logically, with cooling close to the heat experiences it supports?
Is there enough choice without unnecessary complexity? Can different guests find a level of heat and cooling that feels right for them?
Is the relaxation area sized for the journey we are promising? Not for a quick walk-through, but for realistic dwell time and peak occupancy?
Who will guide the guest? Through a thermal journey menu, signage, a member of the team — or a thoughtful combination of all three?
A sauna, a steam room and a pool can tick the box. But that isn't the question we should be asking.
How should the guest feel when they leave, and have we designed every part of the journey to help them get there?
Verena Lasvigne is the founder of VLF Spa Consulting, an international spa and wellness consultancy based in France and working worldwide.She partners with hotel owners, developers, investors, architects, interior designers and operators to create, reposition and elevate luxury spa and wellness destinations. Her work spans the full arc of a spa project: market analysis and competitive benchmarking; feasibility studies and financial projections; spa and wellness concept creation; spa design guidance, functional zoning and design briefs for the architecture and interior design team; treatment menu and wellness programming development; retail and revenue strategy; spa project management through delivery; pre-opening planning and team training; and operational performance once the doors are open.With more than 20 years in luxury hospitality and spa operations, she has led spa teams and spa development projects across Europe, the Middle East and North Africa. The argument running through this blog is the one she brings to every project: a spa has to be more than beautiful. It has to be differentiated, operationally realistic and profitable. A concept that photographs well but cannot be staffed, run or priced is not a concept, it is a decoration.