Flagon Tunnel

The Flagon Tunnel is an unmarked location in the Fens neighborhood of Boston in 2287. It is south of Hangman's Alley.

Background
A pre-War thoroughfare through the Fens, now partially submerged.

Layout
The tunnel contains several wrecked vehicles, some completely or partially underwater. The tunnel runs east-west under another street. At the west end is a door leading to Hangman's Alley. A trader has made their home in a small alcove on the north side of the tunnel, near its center.

Appearances
The Flagon Tunnel only appears in Fallout 4.