Cultural programme Umbra Pavilion, Arnhem
Umbra Pavilion is located on the Audrey Hepburnplein in Arnhem from 13 May to 30 of August.
A public programme kicks off on 2 June with the Heat Action Day, when the Umbra Pavilion will be officially opened. In addition, three ZONdagen (SUNdays) have been developed in collaboration with Bureau Ruimtekoers. Residents of Arnhem are invited to experience and celebrate the sun and solar energy together.
Discover the full programme below
Heat Action Day2 Juni 2026
On Heat Action Day, the Umbra Pavilion will be officially opened. The City of Arnhem will organise a programme around heat stress together with its partners.
More details will follow
Location: Audrey Hepburnplein, Arnhem
Photography by Max Kneefel for heliotex
ZONdag21 juni 2026
ZONdagen (SUNdays) are developed in collaboration with Bureau Ruimtekoers. During the ZONdagen, Bureau Ruimtekoers invites all Arnhem residents to inspiring get-togethers, creative workshops and musical interventions, all centred around the theme of the sun.
More details will follow
Location: Audrey Hepburnplein, Arnhem
Photography by Cécile Bok for Bureau Ruimtekoers
ZONdag5 Juli 2026
ZONdagen (SUNdays) are developed in collaboration with Bureau Ruimtekoers. During the ZONdagen, Bureau Ruimtekoers invites all Arnhem residents to inspiring get-togethers, creative workshops and musical interventions, all centred around the theme of the sun.
More details will follow
Location: Audrey Hepburnplein, Arnhem
Photography by Cécile Bok for Bureau Ruimtekoers
ZONdag2 August 2026
ZONdagen (SUNdays) are developed in collaboration with Bureau Ruimtekoers. During the ZONdagen, Bureau Ruimtekoers invites all Arnhem residents to inspiring get-togethers, creative workshops and musical interventions, all centred around the theme of the sun.
More details will follow
Location: Audrey Hepburnplein, Arnhem
Photography by Max Kneefel for heliotex
Municipality of Arnhem – Programme Heat Action Day
The Municipality of Arnhem organises Heat Action Day and conducts measurements to investigate how the pavilion contributes to thermal comfort on the square
Bureau Ruimtekoers – Co‑programming ZONdagen (SUNdays)
During the ZONdagen, Bureau Ruimtekoers invites all Arnhem residents to inspiring encounters, creative workshops, and musical interventions, all centered around the sun
Cleantech Park Arnhem – Innovation ecosysteem
This innovation originated at Cleantech Park Arnhem, in close
collaboration with entrepreneurs at the park
Technical University Eindhoven (TU/e) – Research partner
The Energy Technology group at TU/e measures the energy
performance of heliotex
