Triptherapie hosts open-group truffle ceremonies with an overnight stay and longer retreats that include an integration day. Below is the current 2026 schedule.
Two-day truffle ceremonies in Schiedam start 15:00 for €650 pp on 21 Mar, 19 Apr, 25 Apr, 3 May, 17 May, 28 Jun, 26 Jul, 4 Oct, 17 Oct, 14 Nov, and 28 Nov. Two-day ceremonies with an integration day in Den Bosch start 15:00 for €950 pp on 27 Mar and 3 Jul.
Four-day truffle retreats in Schiedam with an integration day start 20:00 for €1350 pp on 18 Jun and 20 Aug. Dates can change and more may be added, so check the latest availability on the open psychedelic group ceremonies page. Hope to see you at a ceremony or retreat.