SS Hjejlen (Danish for The Golden Plover) is the world's oldest coal burning operational paddle steamers,[1] built in 1861 by Baumgarten & Burmeister, commissioned by a group of citizens headed by paper manufacturer Michael Drewsen.

[2] She is used to carry tourists between Silkeborg and Himmelbjerget, but in 1932 she also became a public mail boat.

The engine yields 40 horsepower (30 kW) and propels the vessel at up to 8 knots (15 km/h; 9.2 mph).

[4] In 2011 Hjejlen celebrated her 150th anniversary with Queen Margrethe II in attendance.

[5] A commemorative coin was issued by the National Bank of Denmark.