The Tholos do Barro is a Chalcolithic domed tomb constructed of block masonry, located on Monte da Pena near Barro village in Torres Vedras, Portugal [1]. Dating to 2500–2200 BC, this Megalithic monument represents Copper-Age burial architecture in the Lisbon region [1] [2]. Classified as a National Monument in September 1940 [1] [2]. It stands near a hilltop monument to Our Lady of Fátima [1].
Tholos do Barro

Also known as: Monumento funerário da Pena, Monumento funerário eneolítico do Barro, Tholos da Pena
| Type | Tomb |
|---|---|
| Period | 3000 - 1500 BC |
| Country | Portugal |
| Coordinates | 39.0677° N, 9.2624° W |
Portugal