Tymfi
In greek myths, there is a greek mountain called nymph if that helps.
Trisul is a group of mountain peaks in India. They are located in northern India.
Everest
The mountain in the central North Island that starts with T is Mount Tongariro.
Ida. http://en.wikipedia.org/wiki/Mount_Ida
The mountain in Tibet that starts with "Chang-t" is Mount Chomolungma, which is also known as Mount Everest. It is the highest mountain in the world, standing at 29,032 feet (8,848 meters) above sea level.
Tau is the Greek letter that starts with "TA." It is the 19th letter of the Greek alphabet and is symbolized by the uppercase Τ and lowercase τ.
Tzaziki sauce starts with T. It's a white sauce with onions and cucumbers.
thoroughbreds trot thoughtfully
Thunder Mountain Drive is the name of a street in Boise, Idaho
Thor was the god of thunder in greek mythology, and his name starts with the letter T. He is known for making the lightning bolts that were used by Zeus to punish those on Earth who did not please him.
Thrasymedes, Thoas, Tethys, Themis, Theseus, Theia, Thea, Thia and Tantalus.