Outdoor Stereo Festival

Everything you need at Outdoor Stereo Festival — Saturday 29 August 2026 at the Julianapark in Hoorn, from 14:00 to 00:00. IN THIS APP • Line-up — the full timetable per stage, with your favourites close at hand • Map — find the stages, bars, food trucks, toilets and first aid on site • Updates — stay on top of changes and announcements from the organisers • Friends — create a group with an invite code and agree on a meeting point • Tickets — your tickets always within reach • Info & FAQ — opening hours, house rules, getting there and the most frequently asked questions No account needed: download the app and you are ready for the festival. TOGETHER WE CREATE MAGIC.