From Destinypedia, the Destiny wiki
Planet:
Earth
Enemy factions:
Devil Splicers
Connecting areas:
Archon's ForgeSite 6
Area type:
Private
Public Events:
N/A
Patrol beacons:
The Warrens is a location in the Plaguelands. It consists of a tunnel bored by the Devil Splicers to access Site 6, the SIVA replication chamber.