Trinidad and Tobago: lowest point: Caribbean Sea 0 m

highest point: El Cerro del Aripo 940 m

Tromelin Island: lowest point: Indian Ocean 0 m

highest point: unnamed location 7 m

Tunisia: lowest point: Shatt al Gharsah -17 m

highest point: Jebel ech Chambi 1,544 m

Turkey: lowest point: Mediterranean Sea 0 m

highest point: Mount Ararat 5,166 m

Turkmenistan:
lowest point: Vpadina Akchanaya -81.00 m; note -
Sarygamysh Koli is a lake in northern Turkmenistan with a water
level that fluctuates above and below the elevation of Vpadina
Akchanaya (the lake has dropped as low as -110 m)

highest point: Gora Ayribaba 3,139 m