Historic Carlsbahntunnel

Short facts

  • Trendelburg

The Carlsbahntunnel is the oldest railway tunnel in Hesse.

The Deiseler Tunnel, also known as the Trendelburg Tunnel or Carlsbahntunnel, near Deisel in the northern Hessian district of Kassel, is a 202 m long, former Carlsbahn railway tunnel.

Built between 1846 and 1847, it is the oldest railway tunnel in Hesse. The tunnel and its caretaker's house are cultural monuments according to the Hessian Monument Protection Act.

Biking and hiking trails have been running through the tunnel since 2014.

Landkreis Kassel

Deiseler Tunnel

34388 Trendelburg - Deisel


Phone: +49 561 / 1003-0


Website: www.landkreiskassel.de

General information

Open all day from April to October.
  • Suitable for any weather
  • for Groups
  • for Class
  • for families
  • for individual guests
  • Pet allowed
  • for Children of all Ages

Located on the Diemel cycle path (north and south portal)


The Deiseler Tunnel is located around 1.1 km (as the crow flies) east of Deisel, a north-north-west district of Trendelburg.

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