The Calderon Valley is the easternmost part of the realm, situated on a land bridge between the Aleran continent to the west and Maratea to the east, with the Sea of Ice to the north. The population of the valley consists of six steadholts and the town of Garrison at the eastern end of the valley. It was in the Calderon Valley that the Princeps Gaius Septimus was slain fifteen years before the events of Furies of Calderon, with the Princeps' Memoriam having been built upon the site of the battle. Also prominent in the valley is the mountain of Garados, an earth fury, and his mate Thana Lilvia, an air fury. The Wax Forest may also be found at the eastern edge of the Valley.
Inhabitants of the Calderon Valey include: