June 4-6th, 2026
Haarlem, the Netherlands
Join us for three days of captivating lectures, keynote talks, and engaging panel discussions that cover a wide range of topics in psychedelic research and therapy.
Price increases in:
Next phase: Wave 2 - Standard
Lock in the best deal today! Ticket prices will rise in stages between now and June 2026. Check out the ticket overview for more details.
In-Person Ticket
Coffee, tea, fruits, snacks, water, plus a healthy vegetarian, mainly organic lunch!
In-Person Ticket
Coffee, tea, fruits, snacks, water, plus a healthy vegetarian, mainly organic lunch!
In-Person Ticket
Coffee, tea, fruits, snacks, water, plus a healthy vegetarian, mainly organic lunch!
In-Person Ticket
Coffee, tea, fruits, snacks, water, plus a healthy vegetarian, mainly organic lunch!
Ticket prices will rise in stages. We recommend that you purchase your ticket as soon as possible to get the biggest discount.
| Wave | Duration | Student | Regular | Professional |
|---|---|---|---|---|
| Pre-sale Ended | 1 Sept 2025 - 1 Oct 2025 | €349 | €599 | €899 |
| Wave 1 - Early bird | 1 Oct 2025 - 1 Jan 2026 | €399 | €649 | €1049 |
| Wave 2 - Standard | 1 Jan 2026 - 1 Apr 2026 | €449 | €749 | €1199 |
| Wave 3 - Last minute | 1 Apr 2026 - 4 Jun 2026 | €499 | €829 | €1299 |
*Limited to members of the OPEN Community and ADEPT students
The listed rates cover only the ticket types shown above. We will soon be announcing the prices for our workshops, the afterparty, and other add-ons.
