https://wccftech.com/fallout-4-northern-springs-fan-made-dlc/

Northern Springs, a fan-made DLC sized mod for Fallout 4, is available now for free via Nexus Mods.

Northern Springs adds a “whole new location” that’s reportedly bigger than the official DLCs Nuka World and Far Harbor. Players will find new quests, new armor pieces, new weapons and more as detailed below by the makers.