Great Telescope Canary Islands (GTC) is the name of one of the largest telescopes optical world is in the Observatory of the cliffs, kids in Spain is located.

the telescope, in the year 2006 started, and the mirror of the concave Lattice which diameter of 10 meters and forty centimeters there.

a lot of University in Spain in the use of the telescope, the partner. The University of Florida and University of Mexico as well as in its partner.