Inwardbound
Castricum area, North Holland (woodland venue about 45 min from Amsterdam)
Psilocybin retreat in Castricum area, Netherlands. Published prices from €3,500, 2 to 4 nights. Offers group programmes.
At a glance
- Legal route
- Legal (fresh truffles)
- Lowest published price
- €3,500 (5-day group retreat, read 28 September 2026)
- Length
- 2 to 4 nights
- Format
- Group
- Approach the centre describes
- Not stated
- Medical screening
- Described on the centre's site (not verified)
- Integration support
- Included in at least one programme
- Founded
- 2018
Programmes and prices
| Programme | Length | Price | Per night or session | Source |
|---|---|---|---|---|
| 5-day group retreat2 psilocybin sessionsThe centre: “Shared room; 4499 private room (own site)” | 4 nights | €3,500 | €875 a night | Centre pageread 28 September 2026 |
| 3-day group retreat1 psilocybin sessionThe centre: “Price not published on the pages we read” | 2 nights | Not published | - | - |
Prices are what the centre published on the date shown, in its own currency. Per night and per session figures are our division of the published price.
What the centre says it offers
In the centre's own terms, from its website and the sources listed below. We have not checked these claims on site.
Included
- Accommodation
- Transfer from Amsterdam
- Chef-prepared meals
- Yoga and qi gong
- Breathwork
- Integration circles
- Psychotherapy integration sessions
Team
Co-founder Rob O Cobhthaigh (psychotherapist), Maryna Zagorodnia (psychotherapist), Dr Darragh Stewart (PhD).
Screening
Hour-long consultation with a psychotherapist; excludes psychosis, schizophrenia, bipolar disorder, clinical depression, personality disorders, suicidality, SSRIs, serious addiction.
The law where it operates
Fresh psilocybin truffles (sclerotia) are outside the Opium Act; mushrooms, fresh or dried, have been banned since December 2008.
Public record
No entries under our public record policy, as of 28 September 2026.
What we list and what we do not: public record policy. Paying for Featured placement or Verified checks never changes a record.
Sources
- Inwardbound group retreat programmes, read 28 September 2026. Supports: format, prices, screening, truffles
- Inwardbound homepage, read 28 September 2026. Supports: founding 2018, participant numbers
- Guild of Guides Netherlands and the Future of Professional Psychedelics (Lucid News, Aug 2020), read 28 September 2026. Supports: Inwardbound part of the Guild of Guides ethics working group
We have not inspected this centre. A listing is information from public sources, not an endorsement or a safety rating. How we list
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