This is a traditional cache released to coincide with our event on 16th August 2014, as part of the 7 Souvenirs of August Showcase.
Viklari, or The Last Castle is in the vicinity of the Avakas Gorge.
There are a number of interesting rock formations before taking the track to the top.
When you find GZ look behind you and see the island of Geronisos through the 'window'.