The Reunion

The Reunion is a main quest $$

Detailed walkthrough
The Courier will receive a message box pop-up message from Ulysses, telling them that he wants an ending to things. Go to the Canyon Wreckage, which can be reached by traveling a north by northwest path from the California Sunset Drive-in, and enter the Divide.

Upon reaching the entrance to the Divide, another message box will appear display the following: