|Old signal tower|
|Kaer Morhen valley|
The old signal tower is located atop a hill just south of Kaer Morhen keep, along the way to the Bastion. Nothing much remains other than some scaffolding. Underneath is a cave which is accessible via a magic portal. The area is guarded by erynias.
access point to the outer part of the tower, where the 2nd polished crystal can be found