The Dalyan Mud Baths by River: Sultaniye Thermal Springs

Dalyan is known for its rock tombs and its turtles, and neither is the oldest thing on offer here. That would be the water: a seam of warm sulphur that surfaces at the southern end of Koycegiz Lake and has been persuading people to sit in it for longer than anybody can properly document.

What follows is not a step by step account of getting muddy. It is about where that water comes from, which boats actually reach it, and how much the stop changes with the hour you arrive, the month you came and the company you happen to have on deck.

Hot water is the oldest thing on this river

The lake above Dalyan is fed at its southern end by warm springs, and that is the whole reason the thermal site sits where it does rather than somewhere more convenient. Water surfaces where the geology permits, and the jetty, the buildings and the shape of everybody's day have arranged themselves around that.

By road the site is a long detour around the lake shore. By water it is a straight run up the river, through the reed channels and out across open lake. Our view is that the arrival is half of what makes the stop worth having, and that the version reached by car is a thinner day.

Expect a working village amenity rather than a spa: concrete edges, wet stone underfoot, changing cubicles, somewhere shaded to buy a cold drink. Nothing is polished and nothing pretends to be, which is a fair part of why people like it.

One nickname, two different places

In conversation, and on a good many booking pages, the mud baths can mean either of two things: the pools on the river a short way north of the town, or the larger thermal site across on the lake shore. Both involve grey clay, a cold rinse and hot sulphur water afterwards. They are not the same stop, and they do not take the same slice out of a day.

The question that settles it takes ten seconds. Which side of the water does the boat tie up on, and how long does it take to get there? A boat that reaches its thermal stop within a few minutes of leaving is going to the riverside pools; one that takes the better part of an hour is crossing the lake. Either answer is fine, and a vague one is informative in its own way.

The ways up to the springs

Which of these run in a given week, what each includes and the current prices sit with the trips on our sister site. Establish what a boat actually stops at before you buy, because the word thermal covers several quite different afternoons.

What the water is, and what we will not say about it

The pool water arrives in the high thirties, above body temperature, and feels considerably more so after ten minutes. It is cloudy, faintly slippery to the touch and smells powerfully of sulphur, which reaches you before the jetty does. That is only the water being honest about its contents.

The clay is fine grey sediment. You wade in, coat yourself, stand about while the sun dries it to a crust that cracks along every crease, then rinse and take the hot water afterwards rather than before. Get that order wrong and the attendants will explain it at volume.

You will be told the mud and the water are good for skin, joints and rheumatism. Some of that is spa tradition of a sort found all over this country and some is the patter of a hot afternoon, and since we run boats rather than clinics we will not referee. What can be reported is that people come out in a better temper than they went in.

The version where you stay dry

Not everybody gets in, and the ones who do not are often having a better hour than they expected. There is shade, there is tea, there is a lake to look at, and there is the slow comedy of a boatload of strangers turning grey in front of you. To our mind this is the most underrated hour on the river.

It is also, in practice, where the photographs come from. Someone with clean hands and a dry phone does better than someone attempting both jobs with clay to the elbow. No skipper thinks anything of a passenger who sits the stop out.

Cool air makes the better hot pool

The pleasure of hot water is a contrast, and a contrast needs something to work against. In April, or late in October, the air is fresh enough that lowering yourself in is a genuine event. In the middle of August it is a hot bath in a hot place, and standing still in full sun while clay dries on your shoulders is closer to work than leisure.

Crowding follows the same logic as everything else here. The shared fleet leaves the quay inside one short window in the morning and arrives inside another, so the site goes from empty to full and back again within a couple of hours. If your trip can put you there outside that band, let it: an early start does it, a late run does it, and a private boat does it by definition.

The part of it that follows you home

• Wear swimwear you have already stopped caring about. Pale fabric keeps a grey cast, and the smell outlasts a wash or two.
• Silver goes dark in sulphur, sometimes within minutes. Rings and chains come off on the boat beforehand, not when you remember them.
• Long hair holds clay for a remarkably long time. Tie it up, or budget twenty minutes at the rinse.
• Bring the towel you would not mourn, and a dry second one for the journey back.
• Keep the phone sealed in a bag. Mud finds a charging port and settles in.
• If the beach comes later in the day, salt water and a proper shower finish the job the rinse pool started.

The conversations we would rather have on the quay

Water at that temperature puts a real load on the body. If you are pregnant, have a heart condition or high blood pressure, or take anything that already leaves you light-headed, enjoy the clay and let the hot pool go. That is a question for a doctor rather than a skipper.

Broken skin of any kind is the other clear one. This is a shared open-air pool that every boat coming up the lake uses, and nobody has ever called it sterile. Children adore the mud and should stay out of the hot water entirely, which is roughly the order of preference they reach unaided.

Steps catch more people than the water does. Both pools are entered down wet stone, the ground between them is uneven, and there is nothing we would call a ramp with a straight face. Say so in advance if somebody finds steps difficult, and you will get an honest answer rather than an awkward discovery at the gate.

Paying at the gate, and why no figure appears here

The boat brings you and waits. Entry to the pools belongs to whoever runs the site rather than to the boat, and it is settled at the gate in cash, in local currency. A locker, a hired towel and a cold drink work the same way, so step ashore with small notes rather than a card and good intentions.

There are no figures anywhere on this site, and that is deliberate. Gate charges are set by the site, and boat prices move with the season, the boat and the size of the group, so a number written here in one month would be quietly wrong by the next. The current figures sit with the trips on our sister site: ask what today's gate charge is when you book, so that you carry the right money.