Mystlithen

A gulf-encircled island in the rocky southwestern lands of Astaron. It is a large landmass with a series of laccolithic plateaus that each climb onto wide plains set on terraces. As the island reaches higher toward the center, mountainous and rocky protrusions are jutting into the centermost region, while a Telven kingdom is built within a forest there amid the cliffs and high rock. 
The insular rock of Mystlithen, home of the Telves. Telves inhabit both the high rock and plains of Mystlithen. 
Also: Mistlithen or High Rock