Ephyra, the most ancient city in Epirus, lies around 500 m north of the Nekromanteion. It was a Mycenean colony of the 14th-13th century BC, mentioned in the Homeric epics, and was later colonised by the Corinthians. A fairly ruined inner wall survives, and on its inner side two Iron Age children's burials were found.

Today's Kastri is ancient Pandosia, the most important 8th-century BC colony of the Elians and capital of the state of Kassopaia. Built on a hill dominating the whole area, the city was surrounded by walls of around 360 m, with a total length of about 1,640 m, reinforced by 22 orthogonal towers, and had a population of around 10,000.

The fortress of Kiafa rises in the mountains of Souli, above the village of Samoniva. The view from the fort is panoramic: to the west lie the ravines of the Acheron and the plain of Fanari, and from here one grasps the whole mountainous formation of the region. On its west side survives a double wall with vaulted storerooms on the ground floor.

Riniasa Castle protected the medieval city of Riniasa (near Riza village) from a naturally fortified rise, keeping watch over land and sea trade. It is believed to have been built by the Despot of Epirus Thomas I in the late 13th century, and was for this reason called Thomokastro.

Rogi Castle, with its excellently preserved ancient and Byzantine walls, stands atop a low hill (50 m) on the north slope of the Louros valley (ancient Haradros), on the right bank of the river, south of the village of Kerasounta (7 km from Philippiada). In antiquity the river was navigable as far as the castle, so the ancient settlement served as a port on the Ambracian Gulf, fully protected from winds, storms and pirates.

Asprochaliko is a rock shelter in the Louros valley, 20 m above the level of today's riverbed, near Aghios Georgios (Kokkinopilos). Oriented to the south and measuring 22 x 3.5 m, its uniqueness lies in its use during both the Middle and Upper Palaeolithic by nomadic hunters — two of the three phases of the Palaeolithic period.

The name Parga evolved from the city's ancient name (Parageiros, Paragaia, Ypargos). Built by Constantinopolitans, it is mentioned in the 12th century as one of the most important Epirot cities. Finds such as a Neolithic hand-axe, a Mycenean tholos tomb and cist graves testify to human activity in the area since antiquity.

Lekatsa Monastery stands on the west slope of the mountain between Myrsini and Riza, dedicated to the Gennisis tis Theotokou (Birth of the Virgin). According to Seraphim Xenopoulos it was founded in the 8th or 9th century and took its name from its founder or one of its abbots; one tradition holds that the monastery church was built after 1775.

The monastery has recently been restored, and is set within the aesthetic forest of Lekatsa, with many paths for walking that reach down to the sea.

At Pente Pigadia (Five Springs), in the region of Kleisoura, there are two small castles located close to one another. The first was built in the early 19th century with polygonal masonry and is today in ruins.

The second, also built in the early 19th century, is small and likewise of polygonal masonry, but with elements of western European baroque. It survives up to two storeys high and is in better condition than the first.

Near Philippiada — the town of the storks — lies Lake Ziros, an ideal spot for a stop or a walk around the lake through lush green forest. Together with the Ionian Sea, the forests, the Acheron and Louros rivers and the lagoon of the Ambracian Gulf, it forms part of a significant and unique ecosystem.