Scenic Koycegiz Lake, located near to Dalaman Airport and within convenient distance of Fethiye and Marmaris, is well known for its natural hot springs and mud baths. The lake narrows into a channei, flowing into the Dalyan river and emptying into the Mediterranean at one of Turkey's most spectacular beaches. The beach is the breeding ground of the Caretta caretta sea turtle. The reed-edged river meanders to the sea,surmounted by 4th century BC Lycian rock tombs. Nearby are the ruins of the ancient city of Caunos.


Situated next to a natural channel between Koycegiz Lake and the Mediterranean Sea, the Riza Cavus Thermal Baths form a water pool and a mud pond, with a flow rate of about eight liters per second. The mud and mineral baths can accommodate 1,000 persons per day. A second spring, Velibey Thermal Baths, is located 1.5 km north of Riza Cavus, has similar qualities and a flow rate of 20 litres per second.

Physio-chemical characteristics and indications

The Riza Cavus natural hot springs contain sodium chloride, hydrogen sulfur, bromide, fluoride, natural radio active (3,770 picokuri/ liter = 139 bekerel/liter), with a total salt and mineral content of 28 gr/lt. Temperature of the mud and water is 30 to 38 C, and PH about 6.5.

Having very attractive physio-chemical qualities, these hot springs are good for the treatment of rheumatic, dermatological and gynaecological diseases, as well as neurological and physical exhaustion.

Treatments and accommodation

The Koycegiz baths do not offer overnight accommodation. Most visitors stay at small hotels and pensions in nearby Dalyan. The baths can be reached from Dalyan by small boats.

The treatment consists of covering the body with a layer of mud and then soaking in the hot mineral waters.

Climatic conditions in Koycegiz

Altitude: 24 m

Months and average monthly temperatures (C)

9 11 13 16 21 26 28 28 24 19 14 11

Number of sunny and partly-cloudy days

19 18 22 25 27 30 31 31 29 28 25 18

Relative humidity

75 74 71 69 69 61 58 62 65 70 76 77

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