World Prisons
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Spain · San Sebastián

Ondarreta Prison

Low
Verified
Aging · 5mo ago
Sources last reviewed on

Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.

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How to send mail, money, and visit Ondarreta Prison

Step-by-step guidance using the Spain system — addresses, money services, visit booking, what to bring on your first visit.

Open toolkit
Photograph of Ondarreta Prison

Gallery

From Wikimedia Commons (CC-BY-SA where not otherwise stated).

  • Grupo de presos y religiosas de la cárcel de Ondarreta (1 de 2) - Fondo Car-Kutxa Fototeka.jpg

    Photo by Ricardo Martín via Wikimedia Commons (Public domain)

  • Ondarreta Igeldotik.jpg

    Photo by Unknown authorUnknown author via Wikimedia Commons (CC0)

  • Ondarretako espetxea eraikitzen.jpg

    Photo by José Brunet Bermingham via Wikimedia Commons (Public domain)

  • Ondarretako espetxea.jpg

    Photo by Lucien Roisin Besnard via Wikimedia Commons (CC0)

  • Ondarretako espetxeko oroitarria.jpg

    Photo by Iñaki LL via Wikimedia Commons (CC BY-SA 4.0)

  • Ondarretako kartzelako presoak.jpg

    Photo by FONDO FOTO CAR. RICARDO MARTIN via Wikimedia Commons (CC BY-SA 4.0)

  • Ondarretako kartzelatik ateratzen.jpg

    Photo by FONDO FOTO CAR. VICENTE MARTIN via Wikimedia Commons (CC BY-SA 4.0)

  • Playa de Ondarreta, en donde se ve el edificio que albergó la cárcel, y falda del monte Igeldo (1 de 1) - Fondo Car-Kutxa Fototeka.jpg

    Photo by Ricardo Martín via Wikimedia Commons (Public domain)

Capacity

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Current population

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Occupancy

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Year opened

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Operational

Figures from official sources · verified 29 May 2026 · methodology

Facility profile

Operator

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Population held

Mixed/unknown

Opened

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Region

San Sebastián

Security level

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Death-row facility

No

Conditions

No conditions summary available yet.

Visiting

No visiting information available.

Mailing

No mailing information available.

Practical info

Contact the operator's website for inmate-specific procedures.

Known issues

No major issues documented in our database.

Contact & address

No public contact details available.

Conditions Risk Score

Derived signal — not a judgement. How it's calculated

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Insufficient data
We don't have enough public data on this facility to score it. Have something to add? Send us a correction.

Related facilities

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Data completeness

10%

How many of our profile fields are populated. We surface this so families and researchers know the limits.

Sources

Cite this page

Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.

APA
World Prisons. (2026). Ondarreta Prison. Retrieved October 20, 2026, from https://worldprisons.com/prisons/ondarreta-prison
Chicago
"Ondarreta Prison." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/ondarreta-prison.
BibTeX
@misc{worldprisons-ondarreta-prison,
  author = {{World Prisons}},
  title = {Ondarreta Prison},
  year = {2026},
  url = {https://worldprisons.com/prisons/ondarreta-prison},
  urldate = {2026-10-20}
}