Municipal Sultaniye on Lake Köyceğiz has thermal pools and mud baths you can reach by car or boat, with strong sulfur smell and slick decks at times.

Balçova’s Agamemnon baths in İzmir are a drive-up thermal complex with pools and mud facilities, best for an easy soak, not a nature spring on a city break.

Gazligol near Afyonkarahisar is a drive-up thermal town with public hamams and hotel pools, and spring water reported at 45 to 68°C, on Afyon-Eskisehir road.

Kangal Balikli Kaplica is a remote-feeling spa near Sivas where Garra rufa fish share warm pools, so hygiene and slip risks deserve attention up close.

Drive-up Pamukkale offers barefoot travertine pools fed by hot springs and the Hierapolis ruins, but the terraces are slick and often crowded in season.

Termal near Yalova is an easy day trip from Istanbul, with historic hamams and hotel pools supplied by hot spring water in a forested valley setting.