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The region is composed of Lake Köyceğiz ,the 10km long River Dalyan(originally called  Dalyan  Calbis) which cuts its way to the sea making the Dalyan Delta connecting the lake to Iztuzu  beach and the Mediterranean sea. Mountain chains, covered with forests borders  the east and the west side of this system. The  region consists of complex wetland of brackish lakes, canals, fresh water and estuarine marshes,reed beds,coastal habitats and degraded maquis scrub covered limestone hillsides,  Pinus brutii forests, liquid amber Orientalis forests and deciduous forests. The Lake and delta area are surrounded by extensive arable land  with a bewildering variety of agricultural crops, and forest hills.

The west end of Dalyan Beach is bordered by Dalyan River where the out  flow from Lake Köyceğiz reaches the sea, while the east end is surrounded by a mountains bordering the north and east of Lake Iztuzu. The length of the beach is 4.2km and water depth is very low and you can walk for quite a distance before the water reaches chest height .The  width of the beach varies between 75 m and 200 m, with an average width of 125 meters. The Delta side, which covers the considerable area between Dalyan Beach and Lake Köyceğiz, consists of a channel system divided by reeds and rushes with a length up to 3 m. Inner sections of reeds are covered with rushy or agricultural areas and cattle can be seen grazing here.

The Dalyan delta and beach area provides a nesting habitat for both freshwater and marine turtles supporting a population of Soft-shelled Nile Turtles in the brackish waters of the Dalyan River and Köycegiz Lake,Green Turtles and the Caretta Caretta Turtle nesting on the Iztuzu beach.

The  Köyceğiz-Dalyan Delta  has a Mediterranean climate, thus it presents the typical floral characteristics of this climate type. The region is very rich in plant cover and its environment have unique trees and plants, especially pine trees, eucalyptus, oak, juniper and liquidambar Orientalis   trees. Resin is extracted from the trunks of these trees , which is called "Sigla". This trees are reportedly only found in Canada and Southwest Turkey. In the north of Köycegiz, there are two groves of liquidambar Orientalis . A scented resin is produced from the trunk of these trees. The resin is very valuable and is used in the areas of medicine, pharmacy, paint, perfume and soap.You can locate a small wood of these trees near Dalyan on the right just after heading towards Ortaca from Dalyan.  As for the other plants in the region; citrus fruits, pomegranate, fig trees are grown, as are cotton, tobacco and sesame.

Another feature of this region is the thermal springs of which there are many in the area. Ala Gul has thermal springs feeding it and this makes for a very unusual swimming experience with the water being warmer (and even hot) the deeper you swim . You can find these thermal springs in open fields in the district if you know where to look.

The most important one locally is on the Sultaniye Thermal Sping and Mineral Spring pictured above . It is situated on the  southwest coast of the Köycegiz Lake  It's one of the ten most important thermal springs and mineral spring spas in Turkey. The Sultaniye spring is estimated to have been used since the Hellenistic Era.  There are the ruins of antique walls nearby the spring and can be seen from the outdoor hot pool. The water is reported to fill/run at a speeds of 42 lt/sec. The water (32-42 C) contains chloride, sodium, hydrogen sulphide and bromide. Both the drinking and the bath waters are reported to have a relaxing and beneficial effect for elderly patients and convalescents

who  suffer from rheumatism, skin and blood disorders, heart ailments, bronchitis, nervous complaints, kidney and urinary complaints, metabolic disorders.

Lake Köyceğiz and the Dalyan Delta

Recent sightings in Dalyan