Parque Biológico de Gaia

Parque Biológico de Gaia is a nature park and environmental education centre run by the Gaia city council in Avintes. The visit is a nature discovery trail of about 3 km that introduces the region’s ecosystems, so it suits children who can walk a while. Entry is €3 per adult, €1 for ages 7–17 and free for younger children, or €7.50 for a family ticket covering up to six people.

What the sources say (research)

• Open every day of the year, including public holidays. April–September 10:00–19:00 (last entry 18:00); October–March 10:00–17:00 (last entry 16:30). [parquebiologico.pt]
• Tickets: adults 18–64 €3, young people 7–17 €1, 65+ €1, children up to 6 free, family ticket (up to 6 entries) €7.50, annual card €25. Prices approved by the council on 10 April 2025. Check before you go. [parquebiologico.pt]
• The park describes itself as a permanent environmental education centre with a nature discovery trail of about 3 km. [parquebiologico.pt]
• The park also has simple guest rooms and a motorhome area (prices on the same page). [parquebiologico.pt]

Zoo Santo Inácio is also in Avintes. More for families: Porto with kids.

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