Lakes

Romania's only volcanic lake: an almost round sheet of water in the Ciomatu crater, ringed by forest, with a Catholic chapel on the shore and the Mohoș peat bog in the neighbouring crater.

The freshwater lake behind Mamaia, 7.5 km long, with water sports bases on the resort side and little Ovidiu Island, tied to the legend of the Roman poet, off the town of Ovidiu.

A liman lake some 16 km long, 40 km north of Bucharest, between forests, villas and jetties, with a water-lily reserve in the middle and Snagov Monastery on an island.

A reservoir almost 9 km long on the Someșul Cald, about 30 km from Cluj-Napoca, with wooded slopes, a 97 m arch dam and sailing or kayaking on the water.

Romania's largest salt lake, a former sea bay next to Eforie: cold mud baths on the Techirghiol shore in summer, flocks of rare birds on water that does not freeze in winter.

A heliothermal salt lake in Sovata, formed in 1875 over a salt massif: beneath a thin layer of fresh water the salt water goes above 40 °C in summer; a lido runs on the shore in season.

A small karst lake with turquoise water clear to the bottom, fed by a spring beneath it and hidden in the forest of the Bei valley, in the Cheile Nerei – Beușnița National Park.

A natural dam lake formed in 1837, when a mountainside blocked the Bicaz valley; the trunks of the drowned forest still rise from the water, at the upper end of the Bicaz Gorge.

Romania's deepest glacial lake, 29 m deep, at almost 2,000 m in the south-west of Retezat National Park; it can only be reached on foot, on a long day hike.