Root Cellar in Sanctuary. The root cellar consists of two rooms connected by an earthen tunnel. Table Big Jpg Photo By Tagsta Photobucket Warhammer 40k Games Board Games Warhammer 40k Well what if there was a hidden doorway leading to a bunker sort of like Abbies Bunker FO76. Where is the root cellar in fallout 4 . VORTEX The powerful open-source mod manager from Nexus Mods. The first room contains a weapons workbench and several shelves which are now most vacant of supplies. The most notable treasure in the cellar are 3 gold bars worth 1350 caps. It also looks like that the previous owner was not accepted into a vault so he made his own vault for the bombs. I have 233 hours in on Fallout 4 and just now noticed there was a root cellar located directly north of the huge cul-de-sac tree in Sanctuary. It wont make the root cellar a true settlement for the Minutemen so you wont be able to send settlers or followers there or have a supply line but youll be able to make it homey...