Rinkenæs is situated just north of Flensborg Fjord (Flensburg Firth) 4 km southwest of Gråsten.
Rinkenæs Gl. Kirke (Rinkenæs Old Church) is located at the top of a hill 4 km north of the town. It is one of the oldest churches in Denmark, built in 1158 in the Romanesque/Norman style.[2]
Rinkenæs Korskirke (Rinkenæs Crosschurch), built 1928-32 in the style of a traditional Danish village church, is located in the town.[3]