To get to Newark-on-Trent by car, take the A1 and exit onto the A46 towards Newark. Follow the signs to Newark-on-Trent. From Nottingham, take the A52 and then the A46 towards Newark-on-Trent. From Lincoln, take the A46 towards Newark-on-Trent.
By rail, Newark-on-Trent has its own train station, which is served by trains from London, Nottingham, Lincoln, and other cities. From the train station, it's a short walk into the town center.
If you're coming from Nottingham, you can also take the train to Lowdham and then take a bus or taxi to Newark-on-Trent. From Lincoln, you can take the train to Collingham and then take a bus or taxi to Newark-on-Trent.
From nearby landmarks, such as Sherwood Forest or Belvoir Castle, it's easiest to drive. Simply follow the signs to Newark-on-Trent from the A1 or A46.