Access coming from:

- Alcanena (± 16 km) by N365 to Moitas Vendas. There follow to Serra de Sto. António. Take M1349 direction Grutas de Alvados (Alvados grottos). Before the grottos, on the right and a away from the road, is the doline;

- Porto de Mós (± 12 km) by N243 to Alvados / Portela de Baixoand Carrascos (direction Grutas de Alvados – Alvados grottos). After the grottos, turn left and follow for more 500 meters. The doline, with access only on foot, is on the left of the road.

Access to the doline only on foot.

GPS: 39.542171, -8.747695

With panoramic view on the depression of Alvados, the doline of Alvados is a karst asymmetrical closed depression, on the east side slope of that depression. It stands on the landscape by vegetation growing inside. Noteworthy is its aesthetic value.

Depression – landform sunken or depressed below the surrounding area.

Doline (also known as sinkhole) - a closed surface depression draining underground in karst landscape. Dolines are usually "bowl-shaped" and can have only a few or many hundreds of meters in diameter.

Karst - A distinctive topography that indicates dissolution of underlying soluble rocks by surface or ground water in areas of easily soluble rocks. Characterized by caves, underground drainage and sinkholes.

Terra rossa – Italian expression meaning “red soil”. The terra rossa soil is heavy and clay-rich (silty-clay to clayey) soil, strongly reddish, developed on limestone or dolomite.