Top 100A glacial lake at 2,034 m in the Bâlea cirque of the Făgăraș Mountains, at the top of the Transfăgărășan; reachable by car in summer and by cable car all year round.
Top 100Romania'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.
Top 100A 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.
Top 100A 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.
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