Chemin de fer des 3 Vallées

CF3V
Belgium
Loading Map...
The Journey

Navigate from Mariembourg Station to Treignes Station across a span of 14km.

Scenery Highlights
  • Ardennes Forests
  • Viroin River Valley
  • Treignes Heritage Terminus
  • Dense Forested Hillsides
Quick Facts
  • Duration

    0.7 hours

  • Distance

    14 km

  • Est. Price

    Affordable

Official Booking Provider
Classes & Accommodations

Meals: None

Ensuite: No

Meals: None

Ensuite: No

Meals: None

Ensuite: No

Track Gauge

1,000 mm (metre gauge)

Braking Technology

Vacuum brake system (historic rolling stock)

Route Engineering Challenges

  • Steep gradients through Viroin Gorge requiring careful steam locomotive operation

  • Tight curves through dense Ardennes forest

  • Preservation of original 1930s–1950s track infrastructure without major modernisation

Route

Mariembourg – Treignes, 14 km, single track

Fleet

Steam: Class 64 (AF 141), Class 80 (SNCB 246); Diesel railcars: Renault X 4600 / X 4800 series

Max speed

40 km/h (steam), 60 km/h (diesel)

Elevation gain

~80 m from Mariembourg to Treignes

Bridges/Viducts

Multiple stone arch bridges over the Viroin river

Operation

All volunteer-run; founded 1970s for heritage preservation

Quick Facts
  • Duration

    0.7 hours

  • Distance

    14 km

  • Est. Price

    Affordable

Official Booking Provider