This enchanting city with its beautiful, white houses is enclosed by 14th century walls. In earlier days ”bidos was an important harbour but in the 16th century the river became too sandy to navigate and hence its strategic importance diminished. Nowadays itís been restored and is a well-preserved, picturesque, medieval town, a place where time stood still. The town is located on a 75 metre high hill and its fortified walls are about 13 metres high. ”bidos has been declared a national monument. The best time to visit this city with its steep, narrow streets is early in the morning or late in the afternoon. Youíll walk through narrow streets with white houses ablaze with the bright colours of scented geraniums and bougainvilleas on every corner and window-sill. Craftsmen and women spread their merchandise out in front of their shops on the streets. ”bidos is almost car-free. Itís best to park near the 15th century viaduct on the road to Torres de Vedras.