The Kniehar Signal Station ニェハル信号所, nieharu shingoujo?, lit. "Niehar Signal Station") is a facility located in the Tower of Harvestasha halfway between the Garvelt Bridge and the Lymph Vessel, and it serves as the point that controls the trafiic for the Tower's vertical railroad system: the Granvert Gauge. Due to the severe measures implemented by Clustania, this is the highest point to which the humans can access, as the entrance to the Lymph Vessel is sealed away with a Hymmnos Spell, and any Archians trying to sneak through the Granvert Gauge are forced to disembark here.