Repedea Hill Palaeontological Reserve has an area of  38 hectares and is located in the southern part of Iasi. It comprises massive deposits of calcareous sandstone and limestone of Middle Sarmatian age, with many fossil remains of molluscs.

Repedea Hill, one of the 7 hills on which lies the old town of Iasi, is originally an ancient sea bottom, which, in time, withdrew south. This hill was created by the shrivelling of the earth geosphere. Millions of petrified shells on the top of the hill and the nearby cave are the proof. The hill was declared a natural monument and is protected by law.

The reserve is located close to relay television, on Repedea Hill and totals 47.47 hectares (structural plateau and the steep, caves, stone quarries) from which 2 / 3 belongs to the City Barnova and 1 / 3 belongs to the City Hall. The first researches has been undertaken by Professor Grigorie Cobalcescu from Al. I. Cuza University, in the area of the stone quarry to Pietrarie-Repedea, in 1862. In time this natural monument has been the subject of several paleontological studies, sedimentology and geochemistry.

The totality of fossils and existing limestone made Repedea Hill to become in 1953 the first geological reserve of Romania, and at the same time these fossils, those of Mactra Podica being the most important, are proof that the Sarmatian Sea existed now about 20 million years.

Repedea Hill has a position that gives it a very good status, being exactly at the boundary between Moldova Plain and the Moldovan Central Plateau, at the contact between the forest and forest steppe, and therefore vegetation, fauna, morphology of the relief give it a special charm.

It was declared a natural monument in 1950, and as having a big important in terms of birds in 1994 (the massive fauna includes 117 species of birds, of a total of 383 fauna species recorded in Romania).

Of these, a total of 113 species of birds are mentioned in annexes of the law 236 of 2001 and at the Council of Europe, by the Berne Convention (1979), were included 94 existing species in the Repedea area and it was agreed the conservation of bats in Europe (Eurobit), which provides protection to all 37 European species.

This touristic site is an attraction among visitors, especially because of the appearance of vegetation and fauna: Bat, reptiles, amphibians, mammals etc., the morphology of the relief, with altitudes between 300m and 370 m and not least the landscape, when in serene days one can admire to west the pyramid trunk of Ceahlau.