🇵🇹 Portugal · Megalith
Cromlech of Xerez
Late Neolithic – Chalcolithic (c.4000–3000 BCE) · Alentejo Megalithic
Squared (7 x 7 m) Alentejo cromlech of 55 small monoliths around 4 m phallic central menhir with cupules — moved for Alqueva dam.
🇵🇹 Portugal · Megalith
Antas de Olival da Pega
Early Neolithic – Chalcolithic (c.3500–2800 BCE) · Alentejo Megalithic (Almendres tradition)
Reguengos twin antas in shared mound — Anta 1 with 16 m corridor, 4 m polygonal chamber and schist plaques (3500 BCE).
🇵🇹 Portugal · Megalith
Cromlech Vale Maria do Meio
Late Neolithic (c.4000–3500 BCE) · Alentejo Megalithic (Évora tradition)
U-shaped Alentejo cromlech (34 menhirs, 10 x 12 m) near Almendres — open eastern entrance intermediate to squared Xerez.
🇵🇹 Portugal · Megalith
Anta Grande do Zambujeiro
Late Neolithic to Chalcolithic · Alentejo Megalithic / Évora group
Iberia's largest dolmen near Évora — seven 8 m pillars with 12 m corridor, 4000-3500 BCE.
🇵🇹 Portugal · Megalith
Anta de Pavia Chapel
Late Neolithic to Modern (reuse) · Alentejo Megalithic → Baroque Christian
17th-century chapel built inside a Neolithic anta with seven granite uprights whitewashed as walls, near Évora.