Little Mermaid, Kastellet and harbour walk
1.5–2.5 hrs · Free
Combine Edvard Eriksen's 1913 sculpture with the star-shaped Kastellet, Gefion Fountain, St Alban's Church and Langelinie waterfront.
Easy to moderate — level paths and fortress slopes
Outdoor route always accessible; Kastellet is an active military site, so follow signs and temporary restrictions.
