Karahayıt is about five km away from Denizli with lots of hotels offering good accommodation facilities to the visitors coming to see Pamukkale, Laodicea, and Denizli province. The water that comes from the travertines is in red color so visitors enjoy seeing the red travertines-calcium oxide formations- here. The area is on the way to becoming the health spa center of Turkey and it will be soon with great fame known all over the world because the main source of Karahayıt is red color healing thermal water and thermal mud that comes out to the surface in 58 C degree in every season. The water is known as the cure for rheumatism, sciatica, calcification in the bones, renal stone, neural system, dermatological diseases, muscle pains, gynecological problems, varicose vein, and infertility.