Flensburg is definitely worth a visit. The beautiful seaport town is located very close to Gl├╝cksburg and offers a lot to see and do. Whether shopping in the scenic city centre, a visit to the legendary Roten Stra├če street, or rum tasting in one of the well-known rum distilleries, like Braasch Rum, for example: There is something for every taste here. By the way: Flensburg also has a great nightlife scene! Great restaurants, bars with live music and hip eclectic shops make this excursion an unforgettable experience.
You can reach Flensburg by boat, from the Gl├╝cksburg beach promenade, by public transit bus, by bike or with a short taxi ride.