The light installation a Trail of Water (Een Spoor van Water) is located in a railway overpass in the Dutch city of Assen.

Each passing train activates a unique light composition, incorporated into the overpass's embankment and planting. A waterfall of light that crashes down over its concrete and meanders through its overgrown slopes

Situated in a historic creek bedding, a Trail of Water connects the natural flow of water to the site's contemporary, urban traffic flows.

a Trail of Water is the grand conclusion of a series of art projects connecting the city to its green and historic surroundings.