Unknown (Walibi Holland)

Roller coaster in the Netherlands
Walibi Holland
Status Under construction, expected to open 2025
Manufacturer Rocky Mountain Construction
Product Raptor Track
Type Steel - Single rail - Twin

Unknown is a steel single rail roller coaster being built by Rocky Mountain Construction at Walibi Holland in the Netherlands. The coaster will have two separate tracks: a more intense track with multiple inversions, and a more family-friendly track without inversions.


In February 2023, the coaster was announced as a dual coaster with an inverting side and a non-inverting side. In the park's press announcement, they confirmed that the ride would be a dueling Raptor coaster built by RMC, the same company that had built Untamed in 2019.

Articles on Walibi Holland